XYZ Box ii.64 Columbia University Archives Columbia University Library Office files, 1890-1998Series II. Library Office Files, 1890-1998Subseries II.2. Subject Files, 1920s-1973Subject Files, Up to, 1942
Yale Box ii.8 Columbia University Archives Columbia University Library Office files, 1890-1998Series II. Library Office Files, 1890-1998Subseries II.1. Administrative Files, 1890-1975Correspondence, 1900-1930
Yale Box ii.46 Columbia University Archives Columbia University Library Office files, 1890-1998Series II. Library Office Files, 1890-1998Subseries II.1. Administrative Files, 1890-1975Correspondence, 1927-1942
Yale Films Box ii.46 Columbia University Archives Columbia University Library Office files, 1890-1998Series II. Library Office Files, 1890-1998Subseries II.1. Administrative Files, 1890-1975Correspondence, 1927-1942
Yale Library Visiting Committee Box ii.296 Columbia University Archives Columbia University Library Office files, 1890-1998Series II. Library Office Files, 1890-1998Subseries II.3. Library Director's Files, 1950-1984Warren J. Haas - Outside Committees
Yale University Box ii.64 Columbia University Archives Columbia University Library Office files, 1890-1998Series II. Library Office Files, 1890-1998Subseries II.2. Subject Files, 1920s-1973Subject Files, Up to, 1942
Yale University, 1943-1945 Box ii.100 Columbia University Archives Columbia University Library Office files, 1890-1998Series II. Library Office Files, 1890-1998Subseries II.2. Subject Files, 1920s-1973Subject Files-First Sequence from 1942 to 1960, 1943-1963Colleges and Universities
Yaman and Erbe Box ii.46 Columbia University Archives Columbia University Library Office files, 1890-1998Series II. Library Office Files, 1890-1998Subseries II.1. Administrative Files, 1890-1975Correspondence, 1927-1942
"Y" Collection Box ii.64 Columbia University Archives Columbia University Library Office files, 1890-1998Series II. Library Office Files, 1890-1998Subseries II.2. Subject Files, 1920s-1973Subject Files, Up to, 1942
"Y" Collection Box ii.149 Columbia University Archives Columbia University Library Office files, 1890-1998Series II. Library Office Files, 1890-1998Subseries II.2. Subject Files, 1920s-1973Subject Files, Second Sequence from 1942 to 1960, 1944-1969Collections