This discussion of the microform publication of primary source material focuses on the area of British history between 1450 and 1750. The efforts of University Microfilms International and Harvester Press Microforms Ltd. are reviewed, and a possible microform series of material from this period is suggested. Four references are listed. (MES)

Describes the materials included in this microform publishing project documenting the history of the Library of Congress (LC). Materials in four organizational categories are discussed: (1) resources for the study of LC; (2) the Librarians of Congress; (3) functions and services of LC; and (4) the buildings of the library. (MES)

Discusses the Massachusetts Historical Society's various photostat and microfilming projects and describes how they grew out of the philosophy of the society's founder, the Reverend Jeremy Belknap. Topics include the preservation of the papers of presidents John Adams and John Quincy Adams, and collaboration with other repositories. (Author/JKP)

Outlines the history of the application of photographic and allied printing methods in libraries during the past 50 years. The benefits of reprints and micropublications to libraries and users are discussed, and the possible impact of computer output microfilm is examined. (19 references) (Author/CLB)