David Herbert Donald (EDT)/ David Herbert Donald/ Jean H. Baker (EDT)/ Michael F. Holt (EDT)/ Jean H. Baker/ Michael F. Holt
(1)
Henry Steele Commager (EDT)/ Henry Steele Commager/ Richard Nelson Current/ T. Harry Williams/ Norman A. Graebner/ David Herbert Donald/ David Morris Potter/ David Herbert Donald (EDT)
(1)