Judith A. Lewis/ Robert Q. Dana/ Gregory A. Blevins
(3)
Dick Gregory/ Robert Lipsyte
(2)
Gregory T. Whitman/ Robert W. Baloh
(2)
Nathan Oestreich/ Gregory A. Carnes Ph.D. (CON)/ Marguerite R. Hutton Ph.D. (CON)/ Robert W. Jamison Ph.D. (CON)
(2)
Richard Robert Castell Gregory
(2)
Robert D. Mcclinchey/ Gregory W. Mcclinchey
(2)
Robert Hutchings (EDT)/ Gregory F. Treverton (EDT)
(2)
Robert L. Friedheim/ James N. Gregory (INT)
(2)
;Braun, Susanne,Hansbrough, Tiffany Keller,Ruark, Gregory A.,Lord, Robert G.,Hall, Rosalie J.,Epitropaki, Olga
(2)
Benjamin W. Mccraw (EDT)/ Robert Arp (EDT)/ Hugo Strandberg (CON)/ Gregory S. Moss (CON)/ Jennifer Mei Sze Ang (CON)
(1)
Biliana Cicin-Sain/ Robert W. Knecht/ Dosoo Jang/ Gregory W. Fisk/ University of Delaware Center for the Study of Marine Policy (COR)/ Intergovermental Oceanographic Commission (COR)/ Unesco (COR)
(1)
Brett Battles/ Robert Gregory Browne
(1)
David M. Young/ Robert Todd Gregory
(1)
Dick Gregory/ Christian Gregory (CON)/ Robert Lipstye (CON)/ Prentice Onayemi (NRT)/ Christian Gregory (NRT)
(1)
E. James Lieberman M.D. (EDT)/ Robert Kramer Ph.D. (EDT)/ Gregory C. Richter (TRN)
(1)
Edited by Gregory J. McCarthy 、Robert J. Lauf
(1)
Eyal Lederman/ Gregory D. Cramer Ph.D./ Robert Donatelli Ph.D.
(1)
Gertrude Chandler Warner/ Tim Gregory (NRT)/ Robert Papp (ILT)
(1)