Title: En mur mot öst
Subjects: Fortification, History, Labor supply, Russo-Finnish War, 1939-1940, Volunteers, World War, 1939-1945, Russo-Finnish War (1939-1940) fast (OCoLC)fst01102467, World War (1939-1945) fast (OCoLC)fst01180924
Places: Finland, Sweden
Time periods: 20th century