Aptheker, Herbert, 1915- To be free; : studies in American Negro history. [electronic resource] . — New York, : International Publishers, [1948]. — 256 p. 22 cm. "Reference notes": p. 193-248. LCCN: 48005693 Subjects--Topical Terms: African Americans--History. LC Class. No.: E185 / .A63 Dewey Class. No.: 325.260973