Columbia subject headings:
Harvard subject headings:
Administrative procedure--Pripet Marshes (Belarus and Ukraine)--History--20th century.
Intervention (International law)
Poland--Politics and government--1918-1945
Pripet Marshes (Belarus and Ukraine)--History--20th century.
Pripet Marshes (Belarus and Ukraine)--Politics and government--20th century.
World War, 1914-1918--Territorial questions--Pripet Marshes (Belarus and Ukraine)
World War, 1939-1945--Territorial questions--Pripet Marshes (Belarus and Ukraine)
Princeton subject headings:
Administrative procedure--Pripet Marshes (Belarus and Ukraine)--History--20th century.
Intervention (International law)
Poland--Politics and government--1918-1945.
Pripet Marshes (Belarus and Ukraine)--History--20th century.
Pripet Marshes (Belarus and Ukraine)--Politics and government--20th century.
World War, 1914-1918--Territorial questions--Pripet Marshes (Belarus and Ukraine).
World War, 1939-1945--Territorial questions--Pripet Marshes (Belarus and Ukraine).