Engagement calendars
MLA
Hughes, Langston, 1902-1967. Engagement calendars. Box 491. 1959-67. https://collections.library.yale.edu/catalog/32464261.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 491"])(1959-67)[Engagement calendars]. https://collections.library.yale.edu/catalog/32464261.