References
- Royal Society of London . 1948 . The Royal Society Scientific Information Conference Report , London, , England : Burlington House .
- Murra , Katherine . 1949 . “UNESCO—Library of Congress Bibliographical Survey. First Interim Report of the Library of Congress. Bibliographical Planning Group.” . Library of Congress Information Bulletin , June
- Downs , Robert . 1949 . “Report and supplementary report on the National Union Catalog and Related Matters.” . Library of Congress Information Bulletin , August 9–15 : 1
- Ellsworth , R. E. 1948 . “Report to the Librarian of Congress,” . Library of Congress Information Bulletin , Nov. 16–22
- Radio Corporation of America. Dept. of Information . 1948 . Ultrafax N. Y.