Text ( visual ) : unmediated Spoken Russian : basic course / by I.M. Lesnin and Luba Petrova. -- units 1-12 ; units 13-30. -- Madison, Wis. : Published for the United States Armed Forces Institute by the Linguistic Society of America and the Intensive Language Program, American Coucil of Learned Societies , 1945. -- 2 v. ; 14 x 21 cm. -- (War Department education manual ; EM524). -- (BA86908521) ; https://ci.nii.ac.jp/ncid/BA86908521 Author Heading(s): Lesnin, I. M. ; Petrova, Luba ; United States Armed Forces Institute ; Linguistic Society of America ; American Council of Learned Societies. Intensive Language Program