Columbia subject headings:
Wittgenstein, Ludwig, 1889-1951--Diaries.
World War, 1914-1918--Personal narratives, Austrian.
Harvard subject headings:
Wittgenstein, Ludwig, 1889-1951--Diaries.
World War, 1914-1918--Personal narratives, Austrian
Princeton subject headings:
Wittgenstein, Ludwig, 1889-1951--Diaries.
World War, 1914-1918--Personal narratives, Austrian.