Roy, M. N. 1887-1954. Materialism : an outline of the history of scientific thought / by M.N. Roy. - 2nd rev. ed. - Calcutta : Renaissance Publishers, 1951. - 259 p. ; 22 cm. Previously published: 1940. Includes bibliographical references and index. LCCN: ltf90010132 Subjects--Topical Terms: Materialism--History. LC Class. No.: B825 / .R68 1951