Columbia subject headings:
Artists' preparatory studies--Exhibitions.
Drawing--Exhibitions.
Wunder, Richard P.--Art collections.
Harvard subject headings:
Architectural drawing--Exhibitions.
Artists' preparatory studies--Exhibitions.
Drawing--Exhibitions
Figure drawing--Exhibitions.
Landscape drawing--Exhibitions.
Wunder, Richard P.
Princeton subject headings:
Artists' preparatory studies--Exhibitions.
Drawing--Exhibitions.
Wunder, Richard P.