Bill Cotter

Montreal's Expo 67

Bill Cotter

San Francisco's 1939-1940 World's Fair : The Golden Gate International Exposition

Bill Cotter

The 1939-1940 New York World's Fair : The World of Tomorrow

Bill Cotter

Spokane's Expo '74

Bill Cotter

Montreal's Expo 67 (French version)

Bill Cotter

Seattle's 1962 World's Fair

Bill Cotter

Chicago's 1933-34 World's Fair : A Century of Progress

Bill Cotter

The 1964-1965 New York World's Fair

Bill Cotter, Bill Young

Seattle's 1962 World's Fair

Bill Cotter

Vancouver's Expo '86

Bill Cotter

The 1939-1940 New York World's Fair

Bill Cotter

The 1984 New Orleans World's Fair

Bill Cotter

The 1964-1965 New York World's Fair: Creation and Legacy

Bill Cotter, Bill Young

The 1964-1965 New York World's Fair

Bill Cotter, Bill Young