New conversations, English and Russian

New conversations, English and Russians = New English and Russian Dialogues, for the Use of Both National / Ed.Jacob Langen.- St. Petersburg: imp.Acad.Sciences, 1828. -[2], III, 125, [1] s .. -Text paralle.on Russian.and English.ulcer.Tit.l.paralle.on Russian.and English.ulcer.Ex.: Without region..I. Langen, Jacob. 1.Territory (collection).Electronic copy source: PBOriginal storage location: tsVmb