Columbia subject headings:
Book industries and trade--Heraldry.
Colophons.
Imprints (Publishers' and printers' statements)
Printers' marks--Austria.
Printers' marks--Germany.
Printers' marks--Switzerland.
Printing--Specimens.
Harvard subject headings:
Book industries and trade--Heraldry
Colophons.
Imprints (Publishers' and printers' statements)
Printers' marks--Austria.
Printers' marks--Germany.
Printers' marks--Switzerland.
Princeton subject headings:
Printers' marks--Austria--Catalogs.
Printers' marks--Germany--Catalogs.
Signs and symbols--Austria--Catalogs.
Signs and symbols--Germany--Catalogs.