Cite

President's Office

MLA

Dreier, Katherine S. (Katherine Sophie), 1877-1952. President's Office. Box 40, folder 1142-1144. 1941-1950, undated. https://collections.library.yale.edu/catalog/2040526.

APA, 6th edition

Dreier, Katherine S. (Katherine Sophie), 1877-1952. (["Box 40, folder 1142-1144"])(1941-1950, undated)[President's Office]. https://collections.library.yale.edu/catalog/2040526.