Columbia University Doctoral Dissertations, 1872-2020 30000 Volumes
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Ph.D. dissertations are cataloged individually and can be found in the Columbia University library catalog, CLIO. Archival copies should be used only if there is no General Collections or electronic copy of this dissertation available. The exact number of dissertation in existence is not known. They usually have a call number that begins with COY, CWO CXO, CZO or LD1237.Another way to search for dissertation titles and authors is to consult a set of publications printed by the University listing authors alphabetically and arranging dissertations by department for a particular year. List of theses submitted by candidates for the degree of doctor of philosophy in Columbia University, available from Hathitrust: 1872-1910 - https://babel.hathitrust.org/cgi/pt?id=uc2.ark:/13960/t3mw2mj11 1971-1974 - https://babel.hathitrust.org/cgi/pt?id=uc1.b4187471 1974-1976 - https://babel.hathitrust.org/cgi/pt?id=uc1.b4187472 1976-1977 - https://babel.hathitrust.org/cgi/pt?id=uc1.b4187473 1977-1981 - https://babel.hathitrust.org/cgi/pt?id=uc1.b4187474 1981-1987 - https://babel.hathitrust.org/cgi/pt?id=uc1.b4187475 The University Archives paper copies of the List of Theses can be requested via the following different CLIO records: Master's Essays and Doctoral Dissertations from 1951/1952 through 1956/1957 (call number CW4 C724, https://clio.columbia.edu/catalog/1998118) Master's Essays and Doctoral Dissertations from 1957/58 through 1970/1971 (call number CW4 C724, https://clio.columbia.edu/catalog/1998119 ); Doctoral Dissertations from 1971/1972 through 1987/1988 (call number CW4 C725, https://clio.columbia.edu/catalog/400172). After 1987/1988 you can find annual lists of Doctoral Dissertations in Graduate School of Arts and Sciences (GSAS) Convocation Programs which can be accessed via our Commencement Collection (https://findingaids.library.columbia.edu/ead/nnc-ua/ldpd_6386066)