Columbia subject headings:
Harvard subject headings:
Minerals--Catalogs and collections--Germany--Freiberg.
Mining machinery--Germany--Freiberg--Catalogs.
Technische Universität Bergakademie Freiberg--Catalogs.
Princeton subject headings:
Catalogs.
Minerals--Catalogs and collections--Germany--Freiberg.
Mining machinery--Germany--Freiberg--Catalogs.
Technische Universität Bergakademie Freiberg--Catalogs.