Columbia subject headings:
Berton, Françoise (Pierres), active 1573-1575.
Early printed books--France--16th century--Bibliography.
France--Imprints.
Portau, Jean, active 1576-1590.
Printing--France--History--16th century.
Harvard subject headings:
Berton, Françoise (Pierres) active 1573-1575.
Early printed books--France--16th century--Bibliography.
France--Imprints.
Portau, Jean, active 1576-1589.
Printing--France--History--16th century
Printing--France--History.
Princeton subject headings:
Berton, Françoise (Pierres) fl. 1573-1575.
Portau, Jean, fl. 1576-1589.
Printing--France--History.