Don Juan Manuel/ David G. Burton (EDT)/ John E. Keller (INT)/ David G. Burton (INT)
(1)
John E. Keller/ L. Clark Keating/ Barbara E. Gaddy (TRN)
(1)
John E. Keller/ Richard P. Kinkade
(1)
Juan Manuel/ John E. Keller (TRN)/ L. Clark Keating (TRN)
(1)
Otis H. Green/ John E. Keller (INT)
(1)