Leśniewski, Andrzej
Western frontier of Poland : documents, statements, opinions / ed. Andrzej Leśniewski. - Warszawa : Polish Institute of International Affairs, 1965. - 301 s. ; 25 cm.
Western frontier of Poland : documents, statements, opinions / ed. Andrzej Leśniewski. - Warszawa : Polish Institute of International Affairs, 1965. - 301 s. ; 25 cm.