Habib Tiliouine (EDT)/ Richard J. Estes (EDT)
(2)
Richard J. Estes (EDT)/ M. Joseph Sirgy (EDT)
(2)
Kenneth Estes/ Richard Chasemore (ILT)
(1)
Linda Chase/ Richard Estes (CON)
(1)
M. Joseph Sirgy/ Richard J. Estes/ El-Sayed El-Aswad/ Don R. Rahtz
(1)
Peter Alden/ Richard D. Estes/ Duane Schlitter/ Bunny McBride
(1)
Richard D. Estes/ Daniel Otte (ILT)
(1)
Richard Despard Estes/ Daniel Otte (ILT)/ E. o. Wilson (FRW)
(1)
Richard E. Clarke/ Fred Estes
(1)
Richard Estes/ M. Joseph Sirgy
(1)
Richard J. Estes/ M. Joseph Sirgy
(1)