Columbia subject headings:
Harvard subject headings:
Authors, German--20th century--Diaries
Speckmann, Diedrich, 1872-1938--Diaries.
World War, 1914-1918--Personal narratives, German
Princeton subject headings:
Diaries.
Speckmann, Diedrich, 1872-1938--Diaries.
World War, 1914-1918--Personal narratives, German.