Columbia subject headings:
Drawing, European--Exhibitions.
Pignon-Ernest, Ernest--Exhibitions.
Wicar, Jean-Baptiste Joseph, 1762-1834--Art collections--Exhibitions.
Harvard subject headings:
Drawing, European--Exhibitions.
Drawing--Private collections--France--Exhibitions.
Pignon-Ernest, Ernest--Exhibitions.
Wicar, Jean-Baptiste Joseph, 1762-1834--Art collections--Exhibitions.
Princeton subject headings:
Drawing, European--Exhibitions.
Pignon-Ernest, Ernest--Exhibitions.
Wicar, Jean-Baptiste Joseph, 1762-1834--Exhibitions--Art collections.