Columbia subject headings:
Early printed books--16th century--Union lists.
Printing--Italy--Rome--History.
Rome (Italy)--Imprints--Union lists.
Union catalogs--Italy--Rome.
Harvard subject headings:
Early printed books--16th century--Union lists.
Early printed books--Italy--Rome--16th century--Bibliography--Union lists.
Printing--Italy--Rome--History--16th century.
Printing--Italy--Rome--History.
Rome (Italy)--Imprints--Union lists.
Union catalogs--Italy--Rome.
Princeton subject headings:
Early printed books--16th century--Union lists.
Printing--Italy--Rome--History.
Rome (Italy)--Imprints--Union lists.
Union catalogs--Italy--Rome.
Union catalogs.