Lambda Iota Tau was an international honor society for literature. It was founded at Michigan State University in 1953 and operated until it merged into Sigma Tau Delta in 2016. Following is an incomplete list Lambda Iota Tau chapters, with inactive chapters and institutions indicated in italics.

ChapterCharter date and rangeInstitutionLocationStatusAlphaMichigan State UniversityEast Lansing, MichiganInactiveBeta1954Aquinas CollegeGrand Rapids, MichiganMerged (ΣΤΔ)GammaUniversity of Sioux FallsSioux Falls, South DakotaInactiveDelta (Second ?)1964Webber International UniversityBabson Park, FloridaInactiveEpsilon (First) (see Gamma Lambda) – 19xx ?Purdue UniversityWest Lafayette, IndianaReassigned, ReestablishedEpsilon (Second)1964University of South DakotaVermillion, South DakotaInactive, ReassignedEpsilon (Third)Brenau UniversityGainesville, GeorgiaMerged (ΣΤΔ)1954Eastern Michigan UniversityYpsilanti, MichiganInactive1954University of DetroitDetroit, MichiganInactiveZeta (Second ?)1968Kentucky Wesleyan CollegeOwensboro, KentuckyInactiveEta (Second ?)1968University of Mary WashingtonFredericksburg, VirginiaMerged (ΣΤΔ)Theta (Second ?)1968Annhurst CollegeSouth Woodstock, ConnecticutInactiveIota (First)1954Marygrove CollegeDetroit, MichiganInactive, ReassignedIota (Second)1965Morehead State UniversityMorehead, KentuckyInactiveLambda1954Siena Heights UniversityAdrian, MichiganMerged (ΣΤΔ)MuAlma CollegeAlma, MichiganInactiveNu1954–19xx ?Nazareth CollegeKalamazoo, MichiganInactiveXi1960Madonna UniversityLivonia, MichiganInactiveOmicronAugsburg CollegeMinneapolis, MinnesotaInactivePi1955Wheaton CollegeWheaton, IllinoisInactiveRho (Second ?)1964Tokyo Kyoiku UniversityTokyo, JapanInactiveSigma (Second ?)1968Chicago State UniversityChicago, IllinoisInactiveTauAnna Maria CollegePaxton, MassachusettsMerged (ΣΤΔ)Upsilon195x ?Mount Saint Mary's University, Los AngelesLos Angeles, CaliforniaMerged (ΣΤΔ)Phi (First)195x ?Murray State UniversityMurray, KentuckyInactivePhi (Second)1977University of PikevillePikeville, KentuckyInactiveChi1955College of St. ScholasticaDuluth, MinnesotaInactivePsi (Second ?)1965Barry UniversityMiami Shores, FloridaInactiveOmega1954Baldwin Wallace UniversityBerea, OhioInactiveAlpha Alpha195x ?Adrian CollegeAdrian, MichiganMerged (ΣΤΔ)Alpha Beta1967Hillsdale CollegeHillsdale, MichiganMerged (ΣΤΔ)Alpha Gamma (see Beta Rho)1965–196x ?Rosary Hill CollegeAmherst, New YorkReestablishedAlpha Delta195x ?University of Southern MississippiHattiesburg, MississippiInactiveAlpha Epsilon1959Holy Family UniversityPhiladelphia, PennsylvaniaMerged (ΣΤΔ)Alpha Zeta1956Fort Hays State UniversityHays, KansasInactiveAlpha Eta1969University of St. Francis Joliet, IllinoisInactiveAlpha Theta1956Morgan State UniversityBaltimore, MarylandMerged (ΣΤΔ)Alpha Iota1954West Virginia State UniversityInstitute, West VirginiaMerged (ΣΤΔ)Alpha Kappa1969Carroll UniversityWaukesha, WisconsinInactiveAlpha Lambda1966Arkansas State UniversityJonesboro, ArkansasInactiveAlpha NuCentenary College of LouisianaShreveport, LouisianaInactiveAlpha Xi1955Lambuth CollegeJackson, TennesseeInactiveAlpha Omicron1961Southern Illinois UniversityCarbondale, IllinoisInactiveAlpha Pi1956John Carroll UniversityUniversity Heights, OhioMerged (ΣΤΔ)Alpha Rho1957Mount St. Mary's UniversityEmmitsburg, MarylandMerged (ΣΤΔ)Alpha Sigma1957Gordon CollegeWenham, MassachusettsInactiveAlpha Tau1957Immaculata UniversityImmaculata, PennsylvaniaMerged (ΣΤΔ)Alpha Upsilon1957Marian UniversityIndianapolis, IndianaMerged (ΣΤΔ)Alpha Phi1964Kansas Wesleyan UniversitySalina, KansasInactiveAlpha Chi19xx ?Alumni ChapterInactiveAlpha Psi1964Geneva CollegeBeaver Falls, PennsylvaniaMerged (ΣΤΔ)Alpha Omega1964Florida Memorial UniversityMiami Gardens, FloridaInactiveBeta Alpha1966College of Saint TeresaWinona, MinnesotaInactiveBeta Beta1967Tuskegee UniversityTuskegee, AlabamaMerged (ΣΤΔ)Beta Gamma1969Carlow UniversityPittsburgh, PennsylvaniaInactiveBeta Delta1958Florida A&M UniversityTallahassee, FloridaMerged (ΣΤΔ)Beta Epsilon1958Misericordia UniversityDallas, PennsylvaniaMerged (ΣΤΔ)Beta Zeta1958La Salle UniversityPhiladelphia, PennsylvaniaMerged (ΣΤΔ)Beta Eta (First)1961Ladycliff CollegeHighland Falls, New YorkInactive, ReassignedBeta Eta (Second)19xx ?Elmira CollegeElmira, New YorkMerged (ΣΤΔ)Beta Theta1969Seattle Pacific UniversitySeattle, WashingtonInactiveBeta Iota1965Grove City CollegeGrove City, PennsylvaniaMerged (ΣΤΔ)Beta Kappa1964Shinshu UniversityMatsumoto, Nagano, JapanInactiveBeta Lambda1964Marywood UniversityScranton, PennsylvaniaMerged (ΣΤΔ)Beta Mu1956–1960; xxxx ?Colorado State UniversityFort Collins, ColoradoMerged (ΣΤΔ)Beta Nu1970Bethany CollegeLindsborg, KansasMerged (ΣΤΔ)Beta Omicron1970Wisconsin State College of MilwaukeeMilwaukee, WisconsinInactiveBeta Pi1970Columbus State UniversityColumbus, GeorgiaInactiveBeta Rho (see Alpha Gamma°1968Daemen CollegeAmherst, New YorkMerged (ΣΤΔ)Beta Sigma1966Cabrini UniversityRadnor Township, PennsylvaniaMerged (ΣΤΔ)Beta Tau1965Aichi UniversityAichi Prefecture, JapanInactiveBeta Phi1966–c. 1974Dominican College of RacineRacine, WisconsinInactiveBeta Chi1966University of IllinoisChampaign–Urbana, IllinoisInactiveBeta PsiUtah State UniversityLogan, UtahInactiveGamma Alpha1966Grambling State UniversityGrambling, LouisianaInactiveGamma Beta1966Knoxville CollegeKnoxville, TennesseeInactiveGamma Gamma1967William Carey CollegeHattiesburg, MississippiInactiveGamma Delta1970Loras CollegeDubuque, IowaInactiveGamma Epsilon 1966–19xx ?; 1981–2016Massachusetts College of Liberal ArtsNorth Adams, MassachusettsMerged (ΣΤΔ)Gamma Zeta1971Dickinson State UniversityDickinson, North DakotaInactiveGamma Eta1971Westfield State UniversityWestfield, MassachusettsMerged (ΣΤΔ)Gamma Theta1970Georgia State UniversityAtlanta, GeorgiaInactiveGamma Iota1967Moravian UniversityBethlehem, PennsylvaniaInactiveGamma Kappa1971Tsuda UniversityKodaira, Tokyo, JapanInactiveGamma Lambda (see Epsilon)19xx ?Purdue UniversityWest Lafayette, IndianaInactiveGamma Mu1971University of FloridaGainesville, FloridaInactiveGamma Nu1971University of EvansvilleEvansville, IndianaInactiveGamma Xi1971Hope CollegeHolland, MichiganInactiveGamma Omicron19xx ?Presbyterian CollegeClinton, South CarolinaMerged (ΣΤΔ)Gamma Pi1972Molloy CollegeRockville Centre, New YorkMerged (ΣΤΔ)Gamma Rho1972Ball State UniversityMuncie, IndianaMerged (ΣΤΔ)Gamma Sigma1972Marian University Indianapolis, IndianaInactiveGamma Tau1972Florida State UniversityTallahassee, FloridaMerged (ΣΤΔ)Gamma Upsilon1972Bethany CollegeBethany, West VirginiaMerged (ΣΤΔ)Gamma Phi1972University of AlabamaTuscaloosa, AlabamaInactiveGamma Chi1973Fisk UniversityNashville, TennesseeMerged (ΣΤΔ)Gamma Psi1973University of TennesseeKnoxville, TennesseeInactiveGamma Omega1973Maryville CollegeMaryville, TennesseeInactiveDelta Alpha1973Texas Southern UniversityHouston, TexasMerged (ΣΤΔ)Delta Beta1973Towson UniversityTowson, MarylandMerged (ΣΤΔ)Delta Gamma1973Western Carolina UniversityCullowhee, North CarolinaInactiveDelta Delta1974Dillard UniversityNew Orleans, LouisianaInactiveDelta Zeta1974St. Cloud State UniversitySt. Cloud, MinnesotaInactiveDelta Eta1974Shepherd UniversityShepherdstown, West VirginiaInactiveDelta Theta1974Worcester State UniversityWorcester, MassachusettsMerged (ΣΤΔ)Delta Iota1974Delta State UniversityCleveland, MississippiInactiveDelta Kappa1975North Central CollegeNaperville, IllinoisInactiveDelta Lambda1975University of UtahSalt Lake City, UtahInactiveDelta Mu1975Montana State UniversityBozeman, MontanaInactiveDelta XiCoppin State UniversityBaltimore, MarylandMerged (ΣΤΔ)Delta OmicronMcDaniel CollegeWestminster, MarylandMerged (ΣΤΔ)Delta PhiWesley CollegeDover, DelawareMerged (ΣΤΔ)Delta ChiGwynedd Mercy UniversityGwynedd Valley, PennsylvaniaMerged (ΣΤΔ)Delta PsiSalisbury UniversitySalisbury, MarylandMerged (ΣΤΔ)Epsilon AlphaNewman UniversityWichita, KansasMerged (ΣΤΔ)Epsilon ZetaSouthern University and A&M CollegeBaton Rouge, LouisianaMerged (ΣΤΔ)Epsilon XiNorthwestern Oklahoma State UniversityEnid, OklahomaMerged (ΣΤΔ)Eta AlphaSeattle UniversitySeattle, WashingtonMerged (ΣΤΔ)Eta Theta1966Longwood UniversityFarmville, VirginiaMerged (ΣΤΔ)

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