Columbia subject headings:
Bücherei des Deutschen Ostens (Herne, Arnsberg, Germany)--Catalogs.
Europe, Central--Bibliography--Catalogs.
Europe, Eastern--Bibliography--Catalogs.
Germany (East)--Bibliography--Catalogs.
Martin-Opitz-Bibliothek--Catalogs.
Harvard subject headings:
Bücherei des Deutschen Ostens (Herne, Arnsberg, Germany)--Catalogs.
Bücherei des Deutschen Ostens (Herne, Germany)--Catalogs.
Europe, Central--Bibliography--Catalogs.
Europe, Eastern--Bibliography--Catalogs.
Germany (East)--Bibliography--Catalogs.
Germany--Bibliography--Catalogs.
Martin-Opitz-Bibliothek--Catalogs.
Princeton subject headings:
: Martin-Opitz-Bibliothek--Catalogs.
Bücherei des Deutschen Ostens (Herne, Germany)--Catalogs.
Europe, Central--Bibliography--Catalogs.
Europe, Eastern--Bibliography--Catalogs.
Germany (East)--Bibliography--Catalogs.