Dreier, Katherine S.
MLA
Dreier, Katherine S. (Katherine Sophie), 1877-1952. Dreier, Katherine S.. Box 101, folder 2487. 1946, n.d.. https://collections.library.yale.edu/catalog/2040542.
APA, 6th edition
Dreier, Katherine S. (Katherine Sophie), 1877-1952. (["Box 101, folder 2487"])(1946, n.d.)[Dreier, Katherine S.]. https://collections.library.yale.edu/catalog/2040542.