Columbia subject headings:
Art patrons--Germany--Prussia--Exhibitions.
Friedrich Wilhelm, Elector of Brandenburg, 1620-1688--Art collections--Exhibitions.
Friedrich Wilhelm, Elector of Brandenburg, 1620-1688--Art patronage--Exhibitions.
Harvard subject headings:
Art patrons--Germany--Prussia--Exhibitions.
Friedrich Wilhelm, Elector of Brandenburg, 1620-1688--Art collections--Exhibitions.
Friedrich Wilhelm, Elector of Brandenburg, 1620-1688--Art patronage--Exhibitions.
Princeton subject headings: