Cite

Keyser, Ragnhild

MLA

Dreier, Katherine S. (Katherine Sophie), 1877-1952. Keyser, Ragnhild. Box 105, folder 2572. 1926, 1947, n.d.. https://collections.library.yale.edu/catalog/2015213.

APA, 6th edition

Dreier, Katherine S. (Katherine Sophie), 1877-1952. (["Box 105, folder 2572"])(1926, 1947, n.d.)[Keyser, Ragnhild]. https://collections.library.yale.edu/catalog/2015213.