Columbia subject headings:
Austria--Kings and rulers--Portraits.
Habsburg, House of--Portraits.
Mayerhofer, Th--Catalogs.
Portrait drawing, Austrian--19th century--Catalogs.
Harvard subject headings:
Austria--Kings and rulers--Portraits.
Habsburg, House of--Portraits.
Mayerhofer, Th--Catalogs.
Portrait drawing, Austrian--19th century--Catalogs.
Princeton subject headings: