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)
(2)
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)
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)