Russell, Bertrand, 1872-1970. Logic and knowledge : essays, 1901-1950 / Bertrand Russell ; edited by Robert Charles Marsh. - London ; New York : G. Allen & Unwin ; Macmillan, 1956. - xi, 382 p.[6] ; 23 cm. Includes index. ISBN: 0041640012 Subjects--Topical Terms: Philosophy.Logic, Symbolic and mathematical. Dewey Class. No.: 192.9 / RUL 1956