Columbia subject headings:
Painting, Rococo--Germany--Catalogs.
Zick, Januarius, 1730-1797--Catalogues raisonnés.
Harvard subject headings:
Painting, Rococo--Germany--Catalogs.
Zick, Januarius, 1730-1797--Catalogues raisonnés.
Princeton subject headings:
Zick, Januarius, 1730-1797--Catalogs.
Zick, Januarius, 1730-1797.