Horak, Stephan M., 1920- Poland and her national minorities, 1919-39; a case study. - [1st ed.] - New York, Vantage Press [1961] - 259 p. illus. 21 cm. LCCN: 60015582 Subjects--Topical Terms: Minorities--Poland LC Class. No.: DK412 / .H59 Dewey Class. No.: 323.1438