1977
Hart, Nancy
1972
Tyznik, Anthony
20th century
Watts, May Theilgaard
September 4 1974
Stickney, William S.
June 21 – September 20 1972
May 18 1973
October 1973
May 1974
April 1978
Kohout, Kitty
March 1978
March 1973
December 1972
Reynolds, P. J.
April 1979
April 1974
Schrattenholzer, Friedrich
June 1972
January 1970
September 5 1974
March 1971
March 1979
October 1975
Coulter, Ronald M.
November 1973
April 1973
1978