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American Christian sorority
Sigma Phi Lambda (ΣΦΛ), also known as Sisters for the Lord or Phi Lamb, is a Christian sorority founded in 1988 in Austin, Texas. Sigma Phi Lambda was
Sigma_Phi_Lambda
Phi Beta Sigma (ΦΒΣ) is an international historically Black fraternity. Founded on January 9, 1914, on the campus of Howard University in Washington, D
List of Phi Beta Sigma chapters
List_of_Phi_Beta_Sigma_chapters
absorbing the Oasis Club (local), 1926. Chapter formed by absorbing Phi Sigma Lambda (local). Chapter formed by absorbing the West Hall Collegiate Club
List of Alpha Phi Alpha chapters
List_of_Alpha_Phi_Alpha_chapters
the Great Depression (Alpha Sigma Phi, Alpha Tau Omega, Lambda Chi Alpha, and Sigma Alpha Mu), and two (Phi Kappa Sigma and Alpha Chi Rho) merged to
Dartmouth College fraternities and sororities
Dartmouth_College_fraternities_and_sororities
American pharmacy honor society
Phi Lambda Sigma (ΦΛΣ), also known as the National Pharmacy Leadership Society, is a North American college honor society for pharmacy students. It was
Phi_Lambda_Sigma
African-American fraternity
Sigma Pi Phi (ΣΠΦ), also known as The Boulé, is an African American professional fraternity. Founded in Philadelphia, Pennsylvania, in 1904, it is the
Sigma_Pi_Phi
Beta Phi Mu. Merged with Delta Zeta. Merged with Beta Sigma Omicron. Merged with Sigma Sigma Sigma. Originally a Jewish sorority. Merged with Phi Omega
List of social sororities and women's fraternities
List_of_social_sororities_and_women's_fraternities
formed from Sigma Phi Lambda, established in 1925. Chapter formed from Pi Kappa Epsilon (local), established in 1926. Chapter formed from Delta Phi Alpha,
List of Alpha Epsilon Pi chapters
List_of_Alpha_Epsilon_Pi_chapters
American collegiate social fraternity
Phi Sigma Phi (ΦΣΦ) (Phi Sig) is a national fraternity in the United States founded on July 30, 1988 in South Bend, Indiana by chapters formerly of Phi
Phi_Sigma_Phi
Religious social organizations for women
the founding of Sigma Phi Lambda on the campus of the University of Texas at Austin sparked new growth among Christian sororities. "Phi Lamb" was founded
Christian_sororities
formed from Phi Kappa Theta, established in 1922. Chapter formed from Lambda Phi Delta, established in 1923. Chapter formed from Sigma Kappa Phi, established
List of Phi Kappa Tau chapters
List_of_Phi_Kappa_Tau_chapters
Sigma Phi is an international intercollegiate men's social fraternity that was established at Yale University in 1845. It absorbed 4 chapters of Phi Phi
List of Alpha Sigma Phi chapters
List_of_Alpha_Sigma_Phi_chapters
Multicultural-based collegiate sorority in the United States
following the establishment of Sigma Lambda Gamma, members of the sorority, along with Sigma Lambda Beta, Phi Beta Sigma, and Zeta Phi Beta, formed the First
Sigma_Lambda_Gamma
American medical fraternity
Phi Rho Sigma Society (ΦΡΣ) is a co-educational medical fraternity founded by medical students at Northwestern University in 1890. Phi Rho Sigma Medical
Phi_Rho_Sigma
of Phi Sigma Kappa with the national merger. Chapter formed from Delta Lambda Sigma, established in 1928. It became the Epsilon Delta chapter of Phi Sigma
List of Phi Sigma Epsilon chapters
List_of_Phi_Sigma_Epsilon_chapters
Beta Sigma Phi is an international noncollegiate sorority. It was established on April 30, 1931, in Abilene, Kansas. By 1975, it had established more
List of Beta Sigma Phi chapters
List_of_Beta_Sigma_Phi_chapters
American collegiate fraternity
Phi Lambda Chi (ΦΛΧ), colloquially known as Phi Lamb, is a social collegiate fraternity founded at the Arkansas State Teachers College (now the University
Phi_Lambda_Chi
Kappa Phi Lambda (local), established in 1874. Chapter formed from Alpha Chi Nu (local), established in 1922. Chapter formed from Delta Phi Sigma (local)
List_of_Sigma_Nu_chapters
empowerment for the Latino community. In New Jersey on December 1, 1975, Lambda Theta Phi Latin Fraternity, Inc. was founded at Kean University in Union Township
List of Latino fraternities and sororities
List_of_Latino_fraternities_and_sororities
Defunct American Catholic collegiate sorority
Pi Lambda Sigma (ΠΛΣ) was an American collegiate sorority for Catholic women. It merged with Theta Phi Alpha in 1952. Pi Lambda Sigma was founded on June
Pi_Lambda_Sigma
established in 1961. Formed by absorbing Gamma Sigma Phi (local) established in 1962. Formed by absorbing Alpha Chi Lambda, established in 1966. Formed by absorbing
List_of_Chi_Phi_chapters
American Christian social fraternity
Retrieved August 27, 2026. "All About Sigma Phi Lambda Archived September 21, 2007, at the Wayback Machine." Sigma Phi Lambda. Retrieved on April 2, 2007. Peck
Beta_Upsilon_Chi
International collegiate honor society
changed in 1897 when the first organizational meeting of Lambda Sigma Eta (later named Phi Kappa Phi), the nation's first all-discipline honor society, was
Phi_Kappa_Phi
established as Sigma Gamma Phi in 1957. The sorority was originally chartered as Sigma Lambda Sigma in 1955. The sorority formed as Kappa Phi Omega in 1964
List of Alpha Phi Omega (Philippines) chapters
List_of_Alpha_Phi_Omega_(Philippines)_chapters
International collegiate fraternity
three national fraternities merged with Pi Lambda Phi: Phi Beta Delta, Beta Sigma Tau and Beta Sigma Rho. Phi Beta Delta was founded at Columbia University
Pi_Lambda_Phi
Latino American fraternity (1919–1931)
Phi Lambda Alpha (ΦΛΑ) was the first Latin American–based Greek lettered collegiate fraternity in the Western United States. It was established on November
Phi_Lambda_Alpha
italics. Pi Lambda Phi assigned names to chapters that were defunct at the time of its mergers with Beta Sigma Rho, Beta Sigma Tau, and Phi Beta Delta
List of Pi Lambda Phi chapters
List_of_Pi_Lambda_Phi_chapters
International historically Black American collegiate fraternity
Phi Beta Sigma Fraternity, Inc. (ΦΒΣ) is a historically African American fraternity. It was founded at Howard University in Washington, D.C., in 1914.
Phi_Beta_Sigma
Theta's Lambda chapter as part of the national merger in 1939. This chapter originated as Iota Sigma (local) in 1911. It absorbed Alpha Delta Theta's Phi chapter
List_of_Phi_Mu_chapters
established in 1987. Chapter formed from Phi Lambda Sigma, established in 1965. Chapter formed from Zeta Chi Lambda (local), established in 1965. Chapter
List of Delta Phi Epsilon (social) chapters
List_of_Delta_Phi_Epsilon_(social)_chapters
American Jewish fraternity (1910–1972)
Sigma Rho (ΒΣΡ) was an American social fraternity founded at Cornell University in 1910. Most of its active chapters were absorbed into Pi Lambda Phi
Beta_Sigma_Rho
North American collegiate fraternity
Sigma Phi Epsilon (ΣΦΕ), commonly known as SigEp, is a social college fraternity for male college students in the United States. It was founded on November
Sigma_Phi_Epsilon
Sigma Pi Phi is an African American professional fraternity. Founded in Philadelphia, Pennsylvania, in 1904, it is the oldest Greek lettered fraternity
List_of_Sigma_Pi_Phi_chapters
Catholic university in Philadelphia, Pennsylvania, US
recognized, and one of which, Sigma Phi Lambda, is the university's first and oldest fraternity. (Not to be confused with Sigma Phi Lambda, the nationally recognized
La_Salle_University
established in 1950. Chapter formed from Phi Sigma Chi, established in 1953. Chapter formed from Lambda Sigma Chi, established in 1955. Chapter formed
List of Delta Sigma Pi chapters
List_of_Delta_Sigma_Pi_chapters
Phi Lambda Sigma, also known as the National Pharmacy Leadership Society, is a North American college honor society for pharmacy students. In the following
List of Phi Lambda Sigma chapters
List_of_Phi_Lambda_Sigma_chapters
fraternity in 1909. Sigma Delta Tau, originally named Sigma Delta Phi, was established in 1917, Lambda Upsilon Lambda in 1982, and Lambda Pi Chi in 1988.
List of Cornell University fraternities and sororities
List_of_Cornell_University_fraternities_and_sororities
Latin American–based fraternity (1911–1931)
selecting Sigma Iota as its Greek letter name in 1911. Sigma Iota merged with Phi Lambda Alpha fraternity to form Phi Iota Alpha on December 26, 1931. Sigma Iota
Sigma_Iota
badge. Its flower was the violet. Became the Gamma Beta Sigma chapter of Alpha Sigma Alpha. Phi Mu Epsilon (ΦΜΕ) music sorority was established on October
Defunct North American collegiate sororities
Defunct_North_American_collegiate_sororities
Shortest distance between two points on the surface of a sphere
{\displaystyle \Delta \sigma ={\arccos }{\bigl (}\sin \phi _{1}\sin \phi _{2}+\cos \phi _{1}\cos \phi _{2}\cos \Delta \lambda {\bigr )}.} The problem
Great-circle_distance
Phi Sigma Kappa is a men's social and academic fraternity with approximately 65 active chapters and provisional chapters in North America. Interest groups
List of Phi Sigma Kappa chapters
List_of_Phi_Sigma_Kappa_chapters
June 14, 2025. "About Mu Lambda". Mu Lambda Chapter of Omega Psi Phi Fraternity, Inc. Retrieved June 13, 2025. "Omega Psi Phi Fraternity, Inc. | Campus
List of Omega Psi Phi chapters
List_of_Omega_Psi_Phi_chapters
was named out of Greek alphabet order to match the Gamma chapter of Phi Beta Sigma, its brother institution at Morgan College. This chapter's charter was
List of Zeta Phi Beta chapters
List_of_Zeta_Phi_Beta_chapters
Notation in general relativity
{\displaystyle \Phi _{00},\Phi _{11},\Phi _{22},\Lambda } (real); Φ 01 , Φ 10 , Φ 02 , Φ 20 , Φ 12 , Φ 21 {\displaystyle \Phi _{01},\Phi _{10},\Phi _{02},\Phi _{20}
Newman–Penrose_formalism
North American collegiate fraternity
Phi Sigma Kappa (ΦΣΚ), colloquially known as Phi Sig or PSK, is a men's social and academic fraternity with approximately 74 active chapters and provisional
Phi_Sigma_Kappa
American collegiate fraternity 1910–1985
its merger with the Phi Sigma Kappa (ΦΣΚ) fraternity. In 1985, most Phi Sigma Epsilon chapters participated in the merger. Phi Sigma Kappa incorporated
Phi_Sigma_Epsilon
Golden Standard | Lambda Eta Sigma Alumnae Chapter". Lambda Eta Sigma. Retrieved May 10, 2023. "About Lambda Theta Sigma". Lambda Theta Sigma Alumnae Chapter
List of Sigma Gamma Rho chapters
List_of_Sigma_Gamma_Rho_chapters
Flight or sailing route along the shortest path between two points on a globe's surface
\tan \sigma _{12}={\frac {\sqrt {(\cos \phi _{1}\sin \phi _{2}-\sin \phi _{1}\cos \phi _{2}\cos \lambda _{12})^{2}+(\cos \phi _{2}\sin \lambda _{12})^{2}}}{\sin
Great-circle_navigation
American gay collegiate fraternity
Delta Lambda Phi Social Fraternity (ΔΛΦ, DLP, or Lambda) is an American social fraternity for gay, bisexual, transgender and progressive men. The fraternity
Delta_Lambda_Phi
Originally a secret society. Merged with Lambda Chi Alpha. Merged to create Phi Kappa Theta. Merged with Sigma Phi Epsilon. Originally an engineering fraternity
List_of_social_fraternities
American collegiate honor society
Chapter of Phi Eta Sigma and Alpha Lambda Delta National Honor Societies. Retrieved 2025-06-02. "Get the Facts About Phi Eta Sigma". Phi Eta Sigma. 2010.
Phi_Eta_Sigma
Sigma Phi Epsilon is an American social college fraternity. It was founded on November 1, 1901, at Richmond College, which is now the University of Richmond
List of Sigma Phi Epsilon chapters
List_of_Sigma_Phi_Epsilon_chapters
Trade association of collegiate men's fraternities
strategic direction of the organization. Phi Sigma Kappa rejoined the NIC in 2006. On October 27, 2015, Lambda Chi Alpha resigned its membership, stating:
North American Interfraternity Conference
North_American_Interfraternity_Conference
Probability distribution
Greek letter phi, Φ {\displaystyle \Phi } . The normal distribution is often referred to as N ( μ , σ 2 ) {\textstyle N(\mu ,\sigma ^{2})} or N
Normal_distribution
Chapter formed from Sigma Zeta, established in 1914. Chapter formed from Trigon, established in 1915. Chapter formed from Theta Lambda Phi, established in
List of Lambda Chi Alpha chapters
List_of_Lambda_Chi_Alpha_chapters
Collegiate fraternity in the United States
Sigma Lambda Beta International Fraternity, Incorporated (ΣΛΒ) is a multicultural fraternity with historically-Latino roots. It was founded in 1986 at
Sigma_Lambda_Beta
from Phi Lambda Sigma (local), established in 1925. Chapter formed from Tau Phi (local), established in 1921. Chapter formed from Gamma Sigma Phi (local)
List of Alpha Sigma Tau chapters
List_of_Alpha_Sigma_Tau_chapters
sororities have existed since the 1980s, with Delta Phi Upsilon being established in 1985 and Delta Lambda Phi in 1986. These groups are intended to provide
List of LGBTQ and LGBTQ-friendly fraternities and sororities
List_of_LGBTQ_and_LGBTQ-friendly_fraternities_and_sororities
formed from Sigma Lambda Pi, established in 1935. Chapter formed from Lambda Phi Epsilon, established in 1966. Chapter formed from Alpha Phi Epsilon, established
List of Tau Epsilon Phi chapters
List_of_Tau_Epsilon_Phi_chapters
Quantum field theory with four-point interactions
{\displaystyle {\mathcal {L}}(\phi )=\partial ^{\mu }\phi ^{*}\partial _{\mu }\phi -m^{2}\phi ^{*}\phi -\lambda (\phi ^{*}\phi )^{2},} which is thus equivalent
Quartic_interaction
International historically African American collegiate fraternity
Alpha Phi Alpha". The Atlanta Journal-Constitution. Retrieved July 27, 2007. "Hartford Alumni Chapter". Alpha Phi Alpha Fraternity, Beta Sigma Lambda chapter
Alpha_Phi_Alpha
American collegiate Latino fraternity
Lambda Theta Phi Latin Fraternity, Inc. (ΛΘΦ) is a Latino non-profit social fraternity in the United States with 148 undergraduate chapters and 33 alumni
Lambda_Theta_Phi
North American collegiate fraternity
headquartered, at Miami University in Oxford, Ohio. Phi Delta Theta, along with Beta Theta Pi and Sigma Chi form the Miami Triad. The fraternity has over
Phi_Delta_Theta
North American Asian-American-Interest collegiate fraternity
Lambda Phi Epsilon (ΛΦΕ, also known as LPhiE and LFE) is the largest Asian-American-Interest fraternity in North America. Lambda Phi Epsilon is affiliated
Lambda_Phi_Epsilon
Sigma Sigma Sigma sorority has 98 active chapters. Following is a list of Sigma Sigma Sigma chapters. Active chapters noted in bold, inactive chapters
List of Sigma Sigma Sigma chapters
List_of_Sigma_Sigma_Sigma_chapters
American collegiate fraternity
Delta Sigma Phi (ΔΣΦ), commonly known as Delta Sig, is a fraternity established in 1899 at The City College of New York (CCNY). It was likely the first
Delta_Sigma_Phi
Phi Kappa Sigma is an international all-male college secret society and social fraternity. It is one of the world's oldest fraternities, developing generations
List of Phi Kappa Sigma members
List_of_Phi_Kappa_Sigma_members
Delta Sigma Phi is a fraternity founded in 1899 at City College of New York. It was the first fraternity based on religious and ethnic acceptance. The
List of Delta Sigma Phi chapters
List_of_Delta_Sigma_Phi_chapters
chapters List of Delta Sigma Theta national conventions List of Delta Sigma Theta sisters The chapter merged with the citywide Epsilon Phi chapter in the 1960s
List of Delta Sigma Theta collegiate chapters
List_of_Delta_Sigma_Theta_collegiate_chapters
Delta Phi, established in 1927. Chapter formed by absorbing Sigma Omicron Sigma, established in the 1920s. Chapter formed by absorbing Alpha Delta Sigma. Chapter
List of Kappa Delta Phi (fraternity) chapters
List_of_Kappa_Delta_Phi_(fraternity)_chapters
American collegiate fraternity
PENN FRATERNITIES, Delta Phi (St. Elmo)". Retrieved October 6, 2022. "Delta Phi Lambda Chapter". deltaphirpi.com. "Lehigh Delta Phi loses recognition". February
Delta_Phi
Eleventh letter in the Greek alphabet
Lambda (/ˈlæmdə/ ; uppercase Λ, lowercase λ; Greek: λάμ(β)δα, lám(b)da; Ancient Greek: λά(μ)βδα, lá(m)bda), sometimes rendered lamda, labda or lamma, is
Lambda
American Latina collegiate sorority
Sigma Lambda Upsilon (ΣΛΥ) or Señoritas Latinas Unidas Sorority, Inc. is a Latina-based sorority founded on December 1, 1987 at Binghamton University.
Sigma_Lambda_Upsilon
Phi Beta Sigma is a historically African American fraternity that was founded at Howard University in Washington, D.C. in 1914. The fraternity's membership
List of Phi Beta Sigma members
List_of_Phi_Beta_Sigma_members
decided to move forward as a local fraternity called Sigma Phi Chi. Chapter formed from Kappa Phi Lambda, established in 1865. Later, it absorbed Eclectic
List_of_Sigma_Chi_chapters
Pi Lambda Sigma as part of the national merger. Originated from the co-ed Marquette Club. Originated as Sigma Phi (local) in 1917, Absorbed Pi Lambda Sigma
List of Theta Phi Alpha chapters
List_of_Theta_Phi_Alpha_chapters
American college fraternity (1862–1874)
Phi Lambda (ΚΦΛ) was an American collegiate fraternity. It was established in 1862 at Jefferson College and was dissolved in 1874. Kappa Phi Lambda is
Kappa_Phi_Lambda_(fraternity)
its inactive chapters are in italics. Chapter formed by absorbing Sigma Lambda Sigma, established in 1920. After going dormant, it reformed as a colony
List of Sigma Delta Tau chapters
List_of_Sigma_Delta_Tau_chapters
Defunct American collegiate Jewish fraternity
Phi Alpha (ΦΑ) was an American historically Jewish fraternity founded in 1914. It merged with Phi Sigma Delta in 1959. It was a member of the National
Phi_Alpha_(fraternity)
Phi Kappa Sigma is an American men's general collegiate fraternity. Following is a List of chapters of Phi Kappa Sigma. In the first decades, several names
List of Phi Kappa Sigma chapters
List_of_Phi_Kappa_Sigma_chapters
originated as Phi Lambda Sigma (local) in 1870 and became the Alpha Pi chapter of Beta Sigma Omicron national in 1929. When Beta Sigma Omicron merged
List_of_Alpha_Phi_chapters
Defunct American collegiate fraternity
Sigma Phi Sigma (ΣΦΣ) was an American national collegiate fraternity founded in 1908 at the University of Pennsylvania. It ceased operations during WWII
Sigma_Phi_Sigma
formed from Pi Kappa Lambda, established in 1961. Chapter formed from Tau Sigma Tau, established in 1961. Chapter formed from Phi Kappa Epsilon, established
List of Pi Kappa Alpha chapters
List_of_Pi_Kappa_Alpha_chapters
American collegiate fraternity (1915–1939)
Phi Pi Phi (ΦΠΦ) was a social fraternity founded at Northwestern University in 1915. It merged with Alpha Sigma Phi in 1939. Phi Pi Phi was founded on
Phi_Pi_Phi
American Greek life system
"Membership". Lambda Phi Epsilon. Lambda Phi Epsilon Fraternity. Retrieved May 24, 2015. "chapter History". The Zeta Eta chapter of Phi Beta Sigma Fraternity
University of Virginia fraternities and sororities
University_of_Virginia_fraternities_and_sororities
Formula for the direction of slip of a stressed crystalline material
\tau =\sigma \cos \phi \cos \lambda } , where σ {\displaystyle \sigma } is the magnitude of the applied tensile stress, ϕ {\displaystyle \phi } is the
Schmid's_law
the Loyola Club (1909). The ΘΚΦ chapter had originally formed out of Phi Lambda Pi (local, 1921) on that campus. The Pennsylvania Beta Gamma chapter was
List of Phi Kappa Theta chapters
List_of_Phi_Kappa_Theta_chapters
originated as Lambda Phi (local), established in 1927. Chapter originated as Phi Delta Psi (local), established in 1918. Chapter originated as Sigma Alpha (local)
List of Alpha Sigma Alpha chapters
List_of_Alpha_Sigma_Alpha_chapters
chapter originated as Phi Beta (local) in 1907. This chapter originated as Phi Beta (local) in 1913. This chapter originated as Sigma Rho (local) in 1914
List of Gamma Phi Beta chapters
List_of_Gamma_Phi_Beta_chapters
from Sigma Epsilon, established in 1919. Chapter formed from Sigma Sigma Sigma, established in 1898. Chapter originally formed by absorbing Sigma Phi Sigma
List of University of Texas at Austin fraternities and sororities
List_of_University_of_Texas_at_Austin_fraternities_and_sororities
American LGBT collegiate fraternity
University in 2003. Sigma Phi Beta originated as the Beta chapter of a now-defunct fraternity with similar values, Alpha Lambda Tau at Arizona State
Sigma_Phi_Beta_(fraternity)
American secondary student organizations
school fraternity. It was followed by Gamma Sigma, Alpha Zeta, Alpha Phi, Sigma Psi, Alpha Chi Sigma, Pi Phi, Gamma Delta Psi, Eta Kappa, and more. The
High school fraternities and sororities
High_school_fraternities_and_sororities
American Jewish collegiate fraternity
Phi Sigma Delta (ΦΣΔ), colloquially known as Phi Sig, was an American collegiate fraternity established in 1909 with a predominantly Jewish membership
Phi_Sigma_Delta
International collegiate fraternity (defunct)
incarnation of Kappa Sigma Kappa was formed at Virginia Military Institute on September 28, 1867. Most of its active chapters merged into Phi Delta Theta in
Kappa_Sigma_Kappa
Alethians, which was established in 1963. Alpha Lambda chapter was formed by absorbing the local Phi Delta Sigma, which was established in 1963. Alpha Nu chapter
List of Alpha Kappa Lambda chapters
List_of_Alpha_Kappa_Lambda_chapters
Phi Gamma Delta and Phi Kappa Psi are collectively known as the Jefferson Duo. A third fraternity was founded at Jefferson College, Kappa Phi Lambda,
Washington & Jefferson College fraternities and sororities
Washington_&_Jefferson_College_fraternities_and_sororities
Twenty-first letter in the Greek alphabet
Phi (/ˈfaɪ, ˈfiː/ FY, FEE; uppercase Φ, lowercase φ or ϕ; Ancient Greek: ϕεῖ pheî [pʰéî̯]; Modern Greek: φι fi [fi]) is the twenty-first letter of the
Phi
Fellowship groups for a specific field
enrolled in particular majors or areas of study, including Phi Mu Alpha Sinfonia, Phi Sigma Rho, and Triangle. Nevertheless, these groups are social, rather
Professional fraternities and sororities
Professional_fraternities_and_sororities
formed from Tau Lambda Phi, established in 1965. Chapter formed from Pi Sigma Mu, established in 1965. Chapters formed from Kappa Phi, established in
List_of_Pi_Kappa_Phi_chapters
formed from Sigma Lambda Chi Iota, established in 1923. Chapter formed from Phi Lambda Mu, established in 1920. Chapter formed from Sigma Tau Alpha, established
List of Phi Sigma Sigma chapters
List_of_Phi_Sigma_Sigma_chapters
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SIGMA PHI-LAMBDA
SIGMA PHI-LAMBDA
SIGMA PHI-LAMBDA
SIGMA PHI-LAMBDA
SIGMA PHI-LAMBDA
SIGMA PHI-LAMBDA
SIGMA PHI-LAMBDA
SIGMA PHI-LAMBDA
SIGMA PHI-LAMBDA
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