Columbia subject headings:
Schnitzler, Arthur, 1862-1931--Correspondence.
Schnitzler, Arthur, 1862-1931--Diaries.
Harvard subject headings:
Schnitzler, Arthur, 1862-1931--Correspondence.
Schnitzler, Arthur, 1862-1931--Diaries.
Princeton subject headings:
Schnitzler, Arthur, 1862-1931--Diaries.
Schnitzler, Arthur, 1862-1931. Correspondence.