Columbia subject headings:
Harvard subject headings:
Archivists--Germany--Biography.
Archivists--Germany--Correspondence.
Historians--Germany--Biography
Historians--Germany--Correspondence
Schneider, Eugen, 1854-1937--Correspondence.
Schneider, Eugen, 1854-1937.
Princeton subject headings:
Archivists--Germany--Biography.
Archivists--Germany--Correspondence.
Historians--Germany--Biography.
Historians--Germany--Correspondence.
Schneider, Eugen, 1854-1937--Correspondence.
Schneider, Eugen, 1854-1937.