Correspondence, manuscripts, notes, photographs, and printed materials of Mixer while he was Assistant Director of Columbia University Libraries. The letters deal with his career at Columbia and his other professional activities, chiefly his interest in insurance for libraries which includes his files for the Council on Library Resources-American Library Association Fire and Insurance Protection of Library Resources Project, 1960-1963, and the American Library Association Insurance for Libraries Committee, 1956-1963, of which he was chair. Also, a series of library accreditation evaluation reports, 1954-1962, which he prepared for the Middle States Association of Colleges and Secondary Schools; and some photographs, printed materials relating to insurance for libraries, articles by him, and letters and manuscripts acquired through the Charles Wilson Mixer fund.

Correspondence and some printed ephemera and reviews pertaining to Kenneth Lohf's work on the INDEX TO LITTLE MAGAZINES, INDEX TO THE LITTLE REVIEW, and bibliographies of Yvor Winters, Sherwood Anderson, Frank Norris, Joseph Conrad, and Marianne Moore, which he compiled with Eugene P. Sheey. Included are 35 letters from Robert Greenwood, publisher and poet. There are also books inscribed to Lohf and books and articles by him. In addition, there are more than 300 autograph letters and manuscripts chiefly of ninteenth century English writers, artists, academics, statesmen and other historical figures collected by Lohf

A collection of letters, manuscripts, and documents relating to the history of printing and the graphic arts. The collection is in six parts. Cataloged Correspondence and manuscripts, including cataloged letters to and from Henry Lewis Bullen, the librarian of American Typefounders Company Library. Uncataloged letters of the Typographic Library, including routine correspondence, letters of inquiry to Bullen, the Library's order file, and library correspondence of Columbia University, 1941-1946, pertaining to the collection. Correspondence, manuscripts, documents and printed material by and relating to Henry L. Bullen. Letter books, ledgers, daybooks, and journals of the early American typefounders, Binney and Ronaldson. A collection of over 200 typographical patents for the design of printing types (19th and 20th centuries). Archives of the Companía Real de Impresores, Madrid, relating to its operations and business.