This booklet summarizes fiscal year 1985 activities of the Library of Congress (LC) in eight areas: (1) collection development, activities of the Copyright Office, housing, and access; (2) automation; (3) preservation, notably the Mass Book Deacidification Facility and the Optical Disk Pilot Program; (4) services to Congress performed by the Congressional Research Service; (5) Law Library services; (6) services provided to other branches of government; (7) services to the public, including the National Library Service for the Blind and Physically Handicapped; and (8) public programs such as exhibits, symposia, dramatic readings, music performances, lectures, motion picture screenings, and folk art demonstrations. Photographs accompany the text throughout the publication. (KM)