Cite

Letters

MLA

Filippov, Boris, 1905-1991. Letters. Box 7, folder 218-231. 1952-63. https://collections.library.yale.edu/catalog/16537942.

APA, 6th edition

Filippov, Boris, 1905-1991. (["Box 7, folder 218-231"])(1952-63)[Letters]. https://collections.library.yale.edu/catalog/16537942.