- E-bookSeattle's 1962 World's FairBill Cotter
- E-bookSeattle's 1962 World's FairBill Cotter
- E-bookThe 1964-1965 New York World's FairBill Cotter
- E-bookThe 1964-1965 New York World's FairBill Cotter
- E-bookMontreal's Expo 67Bill Cotter
- E-bookThe 1939-1940 New York World's FairBill Cotter
- E-bookThe 1964-1965 New York World's FairBill Cotter
- E-bookChicago's 1933-34 World's FairBill Cotter
- E-bookThe 1984 New Orleans World's FairBill Cotter
- E-bookThe 1939-1940 New York World's FairBill Cotter
- E-bookVancouver's Expo '86Bill Cotter
- E-bookSpokane's Expo '74Bill Cotter
- E-bookThe Parallel ApartmentsBill Cotter
- E-bookMontreal's Expo 67 (French version)Bill Cotter