Cite

Barker, George Frederick (1835-1910)

MLA

Marsh, Othniel Charles, 1831-1899. Barker, George Frederick (1835-1910). Box 2, folder 57. 1868-1885. https://collections.library.yale.edu/catalog/32209085.

APA, 6th edition

Marsh, Othniel Charles, 1831-1899. (["Box 2, folder 57"])(1868-1885)[Barker, George Frederick (1835-1910)]. https://collections.library.yale.edu/catalog/32209085.