Cite

"Essays on Rilke + J. P. Jacobsen"

MLA

Hartley, Marsden, 1877-1943. "Essays on Rilke + J. P. Jacobsen". Box 1. undated. https://collections.library.yale.edu/catalog/16723426.

APA, 6th edition

Hartley, Marsden, 1877-1943. (["Box 1"])(undated)["Essays on Rilke + J. P. Jacobsen"]. https://collections.library.yale.edu/catalog/16723426.