Perchik, L. How the Soviet government solves the National question / byL. Perchik. - Moscow : Co-operative publ. society of Foreign Workers in the URSS, 1932. - 68 pages ; 19 cm. - 33.018.5(47) (NLA) . Subjects--Topical Terms: National question --Soviet Union Universal Decimal Class. No.: 33.018.5(47) (NLA)