1966, Boston, Massachusetts
1965, Des Moines, Iowa
1963, San Francisco, California
1963, Wilsonville, Kentucky
1962, Baltimore, Maryland
1962, Detroit, Michigan
1961, Hartford, Connecticut
1961, Boston, Massachusetts
1961, Pittsburgh, Pennsylvania
1958, Little Rock, Arkansas
1958, Toledo, Ohio
1958, Seattle, Washington
1956, Jackson, Mississippi
1956, Denver, Colorado
1956, Cleveland, Ohio
1954, New York, New York
1952, Albuquerque, New Mexico
1944, Portland, Oregon
1939, Des Moines, Iowa
1939, Shreveport, Louisiana