Marc Bekoff/ Jessica Pierce
(5)
Leslie Irvine/ Marc Bekoff (FRW)
(2)
Marc Bekoff/ Jane Goodall (FRW)
(2)
Allen Anderson/ Linda Anderson/ Marc Bekoff (FRW)
(1)
Andrew Harvey/ Carolyn Baker/ Marc Bekoff (FRW)
(1)
Arien Mack (EDT)/ Marc Bekoff (INT)
(1)
Clemens G. Arvay/ Victoria Goodrich Graham (TRN)/ Marc Bekoff (FRW)
(1)
Colin Allen , George V. Lauder , Marc Bekoff
(1)
Colleen Plumb (PHT)/ Hope Ferdowsian (FRW)/ Julia Cooke/ Marc Bekoff/ Catherine Doyle
(1)
Dale Peterson (EDT)/ Marc Bekoff (EDT)
(1)
Frank Rosell/ Marc Bekoff (FRW)/ Diane Oatley (TRN)
(1)
Gijsbert Van Frankenhuyzen (ILT)/ Jill Robinson/ Marc Bekoff
(1)
Jane Goodall/ Marc Bekoff
(1)
Jennifer L. Verdolin/ Marc Bekoff (FRW)
(1)
Jessica Pierce,Marc Bekoff
(1)
Jim Carrier/ Marc Bekoff/ Marjorie C. Leggitt (ILT)
(1)
John M. Kistler/ Marc Bekoff (FRW)
(1)