Richard Moore (EDT)/ Daniel Benson (EDT)/ Robert Penn (FRW)
(2)
Robert L. Harris Jr. (EDT)/ Rosalyn Terborg-Penn (EDT)
(2)
Robert Penn 1905-1989 Warren
(2)
Robert Penn Warren/ James H. Justus (INT)
(2)
Robert Penn Warren/ Randy Hendricks (EDT)/ James A. Perkins (EDT)/ William Bedford Clark (INT)
(2)
;Gutsche, Jr., Robert E. (Florida Atlantic University, USA),Pinto, Juliet (Penn State, USA)
(1)
Antony Woodward/ Robert Penn
(1)
Cleanth Brooks/ Robert Penn Warren/ James A. Grimshaw
(1)
James Luther Adams (EDT)/ Wilson Yates (EDT)/ Robert Penn Warren (EDT)
(1)
John Coyle (Penn State University),C. Langley (Pennsylvania State University),Robert Novack (Penn State University),Brian Gibson (Auburn University),C. Langley (Georgia Institute of Technology)
(1)
Robert F. Betts M.D. (EDT)/ Stanley W. Chapman (EDT)/ Robert L. Penn (EDT)
(1)
Robert Hood (EDT)/ Robin Penn (EDT)
(1)
Robert Penn Warren/ David W. Blight (INT)
(1)
Robert Penn Warren/ James A. Perkins (EDT)
(1)