Columbia subject headings:
Aeronautics in art.
Blaha, George--Exhibitions.
Unidentified flying objects in art.
Unidentified flying objects--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Themes, motives--Exhibitions
Unidentified flying objects in popular culture--Exhibitions.
Unidentified flying objects--Exhibitions.
Princeton subject headings:
Aeronautics in art--Exhibitions.
Unidentified flying objects in art--Exhibitions.
Unidentified flying objects--Exhibitions.