1969, Washington, District of Columbia
1969, Louisville, Kentucky
1968, Pittsburgh, Pennsylvania
1965, Des Moines, Iowa
1962, Des Moines, Iowa
1962, Baltimore, Maryland
1959, Chicago, Illinois
1955, Detroit, Michigan
1955, Weston, Connecticut
1954, New York, New York
1949, Chicago, Illinois
1945, Plano, Illinois
1924, Houston, Texas