Gielzynski, Woijciech
Poland
Arkady, 1994
 Buku Teks SO
Januszkiewicz, Franciszek
Education in Poland
Interpress Publishers, 1973
 Buku Teks
Ocioszynski, Tadeusz
Poland on the Baltic
Polonia Pub. House , 1960
 Buku Teks SO
Cyprian, Tadeusz
Nazi rule in Poland 1939-1945
Polonia Publishing House, 1961
 Buku Teks SO
Poland : from the Baltic to the Carpathians
Arkady, 1975
 Buku Teks SO