Patrick, George Z. 1886-1946. Roots of the Russian language / George Z. Patrick. - Lincolnwood, Ill., USA : Passport Books, c1989. - 239 p. ; 23 cm. - NTC Russian series . - NTC Russian series. . Includes indexes. ISBN: 0844242675 LCCN: 89120456 Subjects--Topical Terms: Russian language--Word formation.Russian language--Roots. LC Class. No.: PG2175 / .P29 1989 Dewey Class. No.: 491.72