Cite

Welch, Theodore F.

MLA

Marsh, Othniel Charles, 1831-1899. Welch, Theodore F.. Box 34, folder 1467. 1869. https://collections.library.yale.edu/catalog/32569958.

APA, 6th edition

Marsh, Othniel Charles, 1831-1899. (["Box 34, folder 1467"])(1869)[Welch, Theodore F.]. https://collections.library.yale.edu/catalog/32569958.