Columbia subject headings:
Incunabula.
Printers' marks, French.
Printing--France--History.
Harvard subject headings:
France--Imprints.
Incunabula--France--Bibliography.
Incunabula--France.
Printers' marks, French.
Printers' marks--France.
Printing--France--History--Origin and antecedents.
Printing--France--History.
Princeton subject headings:
Incunabula.
Printers' marks, French.
Printing--France--History.