[AFRICAN-AMERICAN LITERATURE]. DUBOIS, William Edward Burghardt (1868-1963). The Quest of the Silver Fleece. Chicago: A. C. McClurg & Co., 1911. 8vo. Frontispiece. Original publisher's decorated gray cloth (soiled and faded, slight wear to extremities). Provenance: Johnson Publishing Company Library (stamps). FIRST EDITION of DuBois' first novel promoting African-American social justice and activism. [With:] MCKAY, Claude (1889-1948). Home to Harlem. New York and London: Harper & Brothers Publishers, 1928. 8vo. Original cloth-backed boards (slight wear to extremities). FIRST EDITION, seventh printing of McKay's novel portraying life in Harlem during the Harlem Renaissance. Provenance: Johnson Publishing Company Library (stamp). Property from the Collection of the Johnson Publishing Company Library