Lange, Oskar, 1904-1965. Some problems relating to the polish road to socialism / O. Lange - Warsaw : Polonia Pub. House, 1957 - 32 p. , 21 cm. Subjects--Topical Terms: Ba lan--Chính trị và chính quyền Subjects--Geographic Terms: Poland--Economic policy. Dewey Class. No.: 320.9438 / LAN 1957