Columbia subject headings:
Müller, Leopold Carl, 1834-1892--Autographs.
Müller, Leopold Carl, 1834-1892--Catalogs.
Müller, Leopold Carl, 1834-1892--Criticism and interpretation.
Portrait painting, Austrian--19th century--Catalogs.
Harvard subject headings:
Art auctions.
Estate sales.
Müller, Leopold Carl, 1834-1892--Autographs.
Müller, Leopold Carl, 1834-1892--Catalogs.
Princeton subject headings: