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- Exhibitions.[remove]51
- Worlds fairs--California--San Francisco--191512
- Exhibition buildings10
- Exhibition buildings.9
- Worlds fairs--California--San Francisco--1939-19407
- Tour Eiffel (Paris, France)5
- Worlds fairs--France--Paris--1937.5
- Worlds fairs--Pennsylvania--Philadelphia--18765
- Accordion fold format (Binding)3
- Worlds fairs--France--Paris--19373
- Elevators2
- Exhibitions--Tickets-- Specimens2
- Souvenirs (Keepsakes)--California--San Francisco2
- African Americans.1
- Architectural models--United States1
- Bridges--France1
- Buildings, Reinforced concrete.1
- Construction1
- Corliss steam-engine.1
- Exhibitions--Germany--Berlin--Pictorial works.1
