Columbia subject headings:
Authors, German--20th century--Diaries.
Authors, German--Germany (East)--Diaries.
Dissenters--Germany (East)--Diaries.
Endler, Adolf--Diaries.
Harvard subject headings:
Authors, German--20th century--Diaries
Authors, German--Germany (East)--Diaries.
Dissenters--Germany (East)--Diaries.
Endler, Adolf--Diaries.
Princeton subject headings: