2007

Issue 1:
UMOP 37: Semantics and Processing

2002

Issue 1:
UMOP 26: Papers in Optimality Theory II

2001

Issue 1:
UMOP 25: The Proceedings of SULA: The Semantics of Under-Represented Languages in the Americas

2000

Issue 1:
UMOP 24: Papers from the 25th Anniversary

Issue 2:
UMOP 20: The UMOP Volume on Indigenous Languages

Issue 3:
UMOP 23: Issues in Semantics

1998

Issue 1:
UMOP 22: New Perspectives on Language Acquisition

1996

Issue 1:
UMOP 19: Linguistics in the Laboratory

1994

Issue 1:
UMOP 17: Functional Projections

1993

Issue 1:
UMOP 16: Phonological Representations

1991

Issue 1:
UMOP Special Edition: Papers in the Acquisition of WH: Proceedings of the UMass Round Table, May 1990

Issue 2:
UMOP 15: Issues in Psycholinguistics

1990

Issue 2:
UMOP 13

Issue 3:
UMOP 14: Papers in Phonology

1989

Issue 2:
Papers on Quantification

1987

Issue 2:
UMOP 12: Studies in Semantics

1986

Issue 0:
UMOP 11: Oriental Linguistics

Issue 2:
UMOP 10

Issue 3:
UMOP 9: Special Issue: Psycholinguistics

1983

Issue 2:
UMOP 8

1982

Issue 2:
Occasional Working Papers in Cognitive Science

1981

Issue 1:
UMOP 7

Issue 2:
UMOP 6: Markedness and Learnability

1980

Issue 2:
UMOP 5

1979

Issue 1:
Studies presented to Emmon Bach by his students

1978

Issue 1:
UMOP 3

Issue 2:
UMOP 4: Papers in the Structure and Development of Child Language

1976

Issue 1:
UMOP 2

1975

Issue 1:
Papers in the History and Structure of English