1971, Washington, District of Columbia
1969, Washington, District of Columbia
1969, Dayton, Ohio
1968, Putney, Vermont
1968, Washington, District of Columbia
1967, Cadiz, Kentucky
1966, Anchorage, Alaska
1965, Waverly, Pennsylvania
1965, Austin, Texas
1964, Palm Beach, Florida
1964, New Orleans, Louisiana
1963, Grand Island, Nebraska
1963, Paducah, Kentucky
1963, Pine Bluff, Arkansas
1960, Raleigh, North Carolina
1957, Columbia, South Carolina
1957, Dallas, Texas
1955, McGehee, Arkansas
1952, Stanardsville, Virginia
