Columbia subject headings:
Exhibitions--History.
Exhibitions--Japan--History.
Expo (International Exhibitions Bureau) (1970 : Osaka, Japan)
Expo (International Exhibitions Bureau)--History.
Harvard subject headings:
Exhibitions--History
Exhibitions--Japan--History.
Expo (International Exhibitions Bureau) (1970 : Osaka, Japan)
Expo (International Exhibitions Bureau)--History.
Princeton subject headings:
Exhibitions--Japan--History.
Expo (International Exhibitions Bureau) (1970 : Osaka, Japan)
Expo (International Exhibitions Bureau)--History.