Columbia subject headings:
Harvard subject headings:
Europe, German-speaking--Imprints.
Printers--Europe, German-speaking--Directories.
Printing--Europe, German-speaking--Chronology.
Printing--Europe, German-speaking--History--16th century.
Printing--Europe, German-speaking--History--17th century.
Princeton subject headings:
Printers--Austria--Directories.
Printers--Germany--Directories.
Printers--Switzerland--Directories.
Printing--Austria--Chronology.
Printing--Germany--Chronology.
Printing--Switzerland--Chronology.