Van Loon, Hendrik Willem, The liberation of mankind : the story of man's struggle for the right to think / by Hendrik Willem Van Loon. - London : G. G. Harrap, 1954, c1926. - 307 p., [8] leaves of plates : American ed. published as: Tolerance. ISBN: SSCA5670 Subjects--Topical Terms: Toleration. Dewey Class. No.: 323.44 / Li