Columbia subject headings:
Harvard subject headings:
Generals--Germany--Prussia--Diaries.
Germany. Heer. Infanterie-Regiment Bremen (1. Hanseatisches) Nr. 97.
Grueneberg, Hans Joachim.--Diaries.
Prussia (Germany)--History, Military--20th century--Sources.
Prussia (Germany)--History--20th century--Sources.
Prussia (Germany). Armee--Officers--Diaries.
World War, 1914-1918--Campaigns--Eastern Front
World War, 1914-1918--Personal narratives, German
World War, 1914-1918--Regimental histories--Germany--Prussia.
Princeton subject headings:
Diaries.
Generals--Germany--Prussia--Diaries.
Germany. Heer. Infanterie-Regiment Bremen (1. Hanseatisches) Nr. 97.
Grueneberg, Hans Joachim.--Diaries.
Prussia (Germany)--History, Military--20th century--Sources.
Prussia (Germany)--History--20th century--Sources.
Prussia (Germany). Armee--Officers--Diaries.
World War, 1914-1918--Campaigns--Eastern Front.
World War, 1914-1918--Personal narratives, German.
World War, 1914-1918--Regimental histories--Germany--Prussia.