Observer, pseud. The "Polish corridor", by "Observer". - New York, N.Y., 1932. - 23 p. illus. (map) 23 cm. "Books": p. 23. LCCN: 32035609 Subjects--Topical Terms: World War, 1914-1918--Territorial questions--Poland. LC Class. No.: D651.P7 / O3 Dewey Class. No.: 940.31424 [943.8]