African masks and patterns in grayscale art

Schomburg Center for Research in Black Culture, Art and Artifacts Division, The New York Public Library. "Pamphlet for "Lois Mailou Jones: In Retrospect" exhibition at Acts of Art, Inc." The New York Public Library Digital Collections. 1973. https://digitalcollections.nypl.org/items/1ef2b310-f580-013a-6d38-0242ac110003