Columbia subject headings:
Holtorf, Hans, 1899-1984--Exhibitions.
Painters--Germany--Exhibitions.
Theatrical producers and directors--Germany--Exhibitions.
Harvard subject headings:
Holtorf, Hans, 1899-1984--Exhibitions.
Maskenwagen der Holthof-Truppe--Exhibitions.
Painters--Germany--Exhibitions.
Theater--Germany--Exhibitions.
Theatrical producers and directors--Germany--Exhibitions.
Princeton subject headings:
Holtorf, Hans, 1899-1984--Exhibitions.
Painters--Germany--Exhibitions.
Theatrical producers and directors--Germany--Exhibitions.