Columbia subject headings:
Architecture--Japan--Osaka--History--20th century.
Expo (International Exhibitions Bureau) (1970 : Osaka, Japan)--Buildings.
Osaka (Japan)--Buildings, structures, etc.--History--20th century.
Harvard subject headings:
Architecture--Japan--History--20th century
Exhibition buildings--Japan--Osaka.
Osaka (Japan)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Japan--History--20th century.
Exhibition buildings--Japan--Osaka.
Osaka (Japan)--Buildings, structures, etc.