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
Yerkes, Helen Hay 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
Yeshiva College, 1944-1945 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
Yeshiva University Search 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
"Y" Miscellaneous 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-Z 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
Z Box ii.1c Columbia University Archives Columbia University Library Office files, 1890-1998Series II. Library Office Files, 1890-1998Subseries II.1. Administrative Files, 1890-1975George H. Baker Letters, 1890- 1899 July
Z, 1899 June-1901 January, 1899 Box i.111 Columbia University Archives Columbia University Library Office files, 1890-1998Series I. Correspondence, 1899-1926Subseries I.1: General Correspondence