Columbia subject headings:
Drawing, Medieval--Catalogs.
Drawing--15th century--Catalogs.
Drawing--Germany--Erlangen--Catalogs.
Universitätsbibliothek Erlangen--Catalogs.
Harvard subject headings:
Drawing, German--Catalogs
Drawing, Gothic--Germany--Catalogs.
Drawing, Renaissance--Germany--Catalogs.
Drawing--Germany--Erlangen--Catalogs.
Universitätsbibliothek Erlangen--Catalogs.
Princeton subject headings:
Catalogs.
Drawing, German--Catalogs.
Drawing, Gothic--Germany--Catalogs.
Drawing, Renaissance--Germany--Catalogs.
Drawing--Germany--Erlangen--Catalogs.
Universitätsbibliothek Erlangen-Nürnberg--Catalogs.