Columbia subject headings:
Poland--History, Military--1795-1918.
Poland. Wojsko Polskie--History.
World War, 1914-1918--Campaigns--Eastern Front.
World War, 1914-1918--Poland.
Harvard subject headings:
Poland--Armed Forces--History--World War, 1914-1918.
Poland--History, Military--1795-1918
World War, 1914-1918--Poland
Princeton subject headings:
Poland--Armed Forces--History--World War, 1914-1918.
World War, 1914-1918--Campaigns--Eastern Front.
World War, 1914-1918--Poland.