Columbia subject headings:
Early printed books.
Mantua (Italy)--Imprints.
Printing--Italy--Mantua--History.
Harvard subject headings:
Early printed books--Italy--Mantua--Bibliography.
Early printed books.
Incunabula--Italy--Mantua--Bibliography.
Mantua (Italy)--Imprints.
Printing--Italy--Mantua--History.
Princeton subject headings:
Early printed books.
Mantua (Italy)--Imprints.
Printing--Italy--Mantua--History.