Columbia subject headings:
Francken, Frans, 1581-1642--Catalogues raisonnés.
Francken, Frans, 1581-1642--Criticism and interpretation.
Harvard subject headings:
Francken, Frans, 1581-1642--Catalogs.
Francken, Frans, 1581-1642--Criticism and interpretation.
Princeton subject headings:
Francken, Frans, 1581-1642--Catalogues raissonés.