Columbia subject headings:
Harvard subject headings:
Early printed books--16th century.
Early printed books--Germany--Ingolstadt--16th century--Bibliography.
Ingolstadt (Germany)--Imprints.
Printing--Germany (West)--Ingolstadt--History.
Printing--Germany--Ingolstadt--History--16th century.
Printing--Germany--Ingolstadt--History.
Princeton subject headings:
Early printed books--16th century.
Ingolstadt (Germany)--Imprints.
Printing--Germany--Ingolstadt--History.