Columbia subject headings:
Europe--Biography--Portraits--Catalogs.
Nobility--Europe--Portraits--Catalogs.
Painting, European--Catalogs.
Painting--Private collections--Germany--Westphalia--Catalogs.
Portrait painting, European--Catalogs.
Salm family--Art collections--Catalogs.
Salm family--Portraits--Catalogs.
Harvard subject headings:
Europe--Biography--Portraits--Catalogs.
Nobility--Europe--Portraits--Catalogs.
Painting, European--Catalogs.
Painting, Modern--Europe--Catalogs.
Painting--Germany (West)--Anholt--Catalogs.
Painting--Private collections--Germany--Westphalia--Catalogs.
Portrait painting, European--Catalogs.
Salm family--Art collections--Catalogs.
Salm family--Portraits--Catalogs.
Princeton subject headings:
Catalogs.
Painting, Modern--Catalogs.
Portrait painting--Catalogs.
Salm, House of--Art collections--Catalogs.