David Shier/ Jackie Butler/ Ricki Lewis
(7)
William Bohan/ David Butler
(6)
Amy Butler/ David Butler (PHT)
(2)
David Butler/ Christopher James Digman/ Christos Makropoulos/ John W. Davies
(2)
David Butler/ Gareth Butler
(2)
David Butler/ John W. Davies
(2)
David Butler/ Linda Tischler
(2)
David W. Oxtoby/ H. Pat Gillis/ Laurie J. Butler
(2)
Emily Belle Freeman/ David Butler/ Ryan Jeppesen (ILT)
(2)
Hwa Yol Jung (EDT)/ Judith Butler (CON)/ David Campbell (CON)/ Rey Chow (CON)/ Fred Dallmayr (CON)
(2)
Markus Stoffel (EDT)/ Michelle Bollschweiler (EDT)/ David R. Butler (EDT)/ Brian H. Luckman (EDT)
(2)
Rex Butler (EDT)/ David Denny (EDT)
(2)
Richard Butler/ David C. Wilson
(2)
Adrian Piper (CON)/ Connie Butler (EDT)/ David Platzker (EDT)/ Connie Butler/ Christophe Cherix
(1)
Adrian Piper (CON)/ Connie Butler (EDT)/ David Platzker (EDT)/ Diarmuid Costello/ J顤g Heiser
(1)