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PDF finding aid reviewed fall 2018 and deemed duplicative.
Arranged alphabetically by name.
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Letters from students and faculty upon his retirement from Columbia University. Also includes one photograph and a biographical sketch
Identification of specific item; Date (if known); J. H. MacGregor letters; Box and Folder; Rare Book and Manuscript Library, Columbia University Library.
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Source of acquisition--TeWinkel, Lois. Method of acquisition--Gift; Date of acquisition--10/13/88. Accession number--M-88-10-13.
Department of Zoology, Columbia University 1897-1954; Professor 1924-1942; Professor Emeritus 1942-1954.
Gift of Lois E. TeWinkel, 1988.
Processed HH 11/03/88.
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