Columbia subject headings:
Music printing.
Printers' marks, Italian--Italy--Venice.
Printing--Italy--Venice--History.
Watermarks.
Harvard subject headings:
Music printing
Printers' marks--Italy--Venice.
Printing--Italy--Venice--History.
Venice (Italy)--Imprints.
Watermarks
Princeton subject headings:
Music printing--Italy--Venice.
Printers' marks--Italy--Venice.
Printing--Italy--Venice--History.
Venice (Italy)--Imprints.
Watermarks.