Columbia subject headings:
Teachers--Germany--Oldenburg--Diaries.
Tjaden, Rudolf, 1895-1981--Diaries.
World War, 1939-1945--Germany--Oldenburg--Personal narratives.
Harvard subject headings:
Middle school teachers--Germany--Oldenburg--Personal narratives.
Oldenburg (Germany)--History--20th century.
Tjaden, Rudolf, 1895-1981.
World War, 1939-1945--Personal narratives.
Princeton subject headings:
Middle school teachers--Germany--Oldenburg--Personal narratives.
Oldenburg (Germany)--History--20th century.
Personal narratives.
Tjaden, Rudolf, 1895-1981.
World War, 1939-1945--Personal narratives.