Diana Cooper/ Andrew Brel (CON)/ Robert Perkins (INT)
(2)
Robert Penn Warren/ Randy Hendricks (EDT)/ James A. Perkins (EDT)/ William Bedford Clark (INT)
(2)
Barbara Kelly (EDT)/ Daniel F. Perkins (EDT)/ Robert E. Slavin (FRW)
(1)
Charlotte Perkins Gilman/ Robert Shulman (EDT)
(1)
Dr. Seuss/ Robert Lopshire/ Al Perkins/ Art Cummings (ILT)
(1)
Jeff Perkins/ Robert M. Corich (CON)/ Michael Smith (EDT)
(1)
Mindy MacDonald/ Sarah Dillard (ILT)/ Andy Barrow (CRT)/ Robert Perkins (CON)
(1)
P. D. Eastman/ Al Perkins/ Robert Lopshire/ Joan Heilbroner/ Marilyn Sadler
(1)
Robert A. Pease (EDT)/ Bonnie Baker (CON)/ Richard S. Burwen (CON)/ Sergio Franco (CON)/ Philip Perkins (CON)
(1)
Robert B. Parry/ C. R. Perkins/ Portsmouth Polytechnic Cartographic Unit (COR)
(1)
Robert Bage/ Pamela Ann Perkins (EDT)/ Pamela Ann Perkins
(1)
Robert Campbell/ Mark W. Perkins (EDT)
(1)
Robert Goddard/ Derek Perkins (NRT)
(1)
Robert J. Swartz/ David N. Perkins
(1)
Robert J. Weber/ David N. Perkins (EDT)
(1)