Columbia subject headings:
Harvard subject headings:
Authors, Austrian--Archives.
Authors, German--Archives.
Authors, Swiss--Archives.
Libraries--Austria--Archival resources.
Libraries--Germany--Archival resources.
Libraries--Switzerland--Archival resources.
Princeton subject headings:
Authors, Austrian--Archives.
Authors, German--Archives.
Authors, Swiss--Archives.
Libraries--Austria--Archival resources.
Libraries--Germany--Archival resources.
Libraries--Switzerland--Archival resources.