Guide to unpublished research materials : lectures delivered at a vacation course of the University of London School of Librarianship and Archives in April 1956, / edited by Ronald Staveley. Research materials. London (England). School of Librarianship and Archives. Staveley, Ronald, ed. Documentation. Z1001 .L78 028.7 LOG London, Library Association, 1957. 1957. 1957 Text vii, 141 p. eng