Jacqueline B. Persons Ph.d./ Joan Davidson/ Michael A. Tompkins Ph.d.
(3)
Irene Dankelman/ Joan Davidson
(2)
Joan Davidson/ Jacqueline B. Persons Ph.d./ Michael A. Tompkins Ph.d.
(2)
Audrey Taylor,John Hatton-Davidson,Joan Rees
(1)
Jake Rajs (PHT)/ Arthur G. Adams (AFT)/ Joan K. Davidson (INT)
(1)
James Lawrence/ John Richardson/ Susan Davidson/ Joan Young
(1)
Jens Gunni Busck/ Birgit Jenvold (EDT)/ Joan F. Davidson (TRN)
(1)