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Using the Collection
Note: some material may be restricted or offsite
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At a Glance
Selected materials cataloged, remainder arranged.
The letters and manuscripts of Keyser, including the notes and manuscripts for his lectures, essays, and books, as well as his correspondence with colleagues and mathematicians throughout the world. There are letters from Benjamin N. Cardozo, Alfred Korzybski, Anna Hempstead Branch, James Truslow Adams, and Clarence Day, Jr.
Using the Collection
Rare Book and Manuscript Library
Restrictions on Access
You will need to make an appointment in advance to use this collection material in the Rare Book and Manuscript Library reading room. You can schedule an appointment once you've submitted your request through your Special Collections Research Account.
Boxes 2 through 10 of this collection are located off-site. You will need to request this material at least three business days in advance to use the collection in the Rare Book and Manuscript Library reading room.
This collection has no restrictions.
Terms Governing Use and Reproduction
Single photocopies may be made for research purposes. The RBML maintains ownership of the physical material only. Copyright remains with the creator and his/her heirs. The responsibility to secure copyright permission rests with the patron.
Identification of specific item; Date (if known); Cassius Jackson Keyser papers; Box and Folder; Rare Book and Manuscript Library, Columbia University Library.
Materials may have been added to the collection since this finding aid was prepared. Contact firstname.lastname@example.org for more information.
Immediate Source of Acquisition
Source of acquisition--Keyser, Mrs. Cassius J. Method of acquisition--Gift; Date of acquisition--1971. Accession number--M-71.
About the Finding Aid / Processing Information
Columbia University Libraries, Rare Book and Manuscript Library
Cataloged Christina Hilton Fenn 07/--/89.
2021-11-01 Box list added, PDF removed. kws
History / Biographical Note
Biographical / Historical
Mathematician. Keyser taught mathematics at Columbia University from 1897 and was Adrain Professor of Mathematics, 1904-1927. (Columbia University A.M., 1896; Ph.D., 1901; D.Sci., 1929).