Columbia subject headings:
Harvard subject headings:
Baden (Germany)--History--20th century--Sources.
Soldiers--Germany--Baden--Correspondence.
World War, 1914-1918--Personal narratives, German--Sources.
Princeton subject headings:
Baden (Germany)--History--20th century--Sources.
Soldiers--Germany--Baden--Correspondence.
World War, 1914-1918--Personal narratives, German--Sources.