Massey, William S. Algebraic topology : an introduction / [by] William S. Massey. - New York : Harcourt, Brace & World, 1967. - xix, 261 p. : ill. ; 24 cm. - Harbrace college mathematics series . - Harbrace college mathematics series . Includes bibliographies and index Subjects--Topical Terms: Algebraic topology. Dewey Class. No.: 514.2 / MAA 1967