Columbia subject headings:
Early printed books--Catalogs.
Manuscripts--Switzerland--Zurich--Catalogs.
Rare books--Switzerland--Zurich--Catalogs.
Zentralbibliothek Zürich--Catalogs.
Harvard subject headings:
Early printed books.
Manuscripts--Switzerland--Zurich.
Rare books--Switzerland--Zurich.
Zentralbibliothek Zürich
Princeton subject headings: