Title: Obrono środkowej Narwi i Biebrzy w 1939 roku
First published: 1981
Subjects: Campaigns, World War, 1939-1945, History
Places: Poland, Narew River Valley (Belarus and Poland)
Time periods: Occupation, 1939-1945
LC classification: D1 .A28 no. 5, D765.2.N37 .A28 no. 5