This document covers approximately 500 publications developed by the University of Pittsburgh's Learning Research and Development Center (LRDC) from 1985 through 1991 and constitutes a record of LRDC's commitment to research that can strengthen educational practice. An abstract is provided for most entries. Each publication summarized addresses one or more of 19 research topics: (1) learning and instruction; (2) structures of knowledge, including concept development and the role of prior knowledge in learning; (3) assessment; (4) education reform; (5) school subjects, including mathematics, science, literacy-related subjects, such as reading, and social sciences; (6) reasoning; (7) technology; (8) group processes; (9) memory; (10) concept acquisition; (11) developmental psychology; (12) language and communications processes; (13) the nature of skill and expertise; (14) social and cultural influences on learning; (15) texts; (16) classroom teaching; (17) learning disabilities and special education; (18) technical training and work skills; and (19) skill acquisition. (BC)