Zalewska-Trafiszowa, Halina.
The educational system in Poland / Halina Zalewska-Trafiszowa
Polonia Pub. House, 1966
 Buku Teks
Gielzynski, Woijciech
Poland
Arkady, 1994
 Buku Teks SO
Wrochno, Krystyna
Woman in Poland
Interpress Publishers, 1969
 Buku Teks SO
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