You've got them all, Lee. There were 14 GTS-Rs. Since then, AutoArt has done the SRT-10 coupe and convertible, and 4 Competition Coupes. Here's a listed I posted a while back:
1997 Dodge Viper GTS-R #51 1997 Daytona Beretta , D. / Gache , P
1997 Dodge Viper GTS-R #52 1997 Daytona Archer , T. / Bell , J.
1997 Dodge Viper GTS-R #94 1997 Daytona Beretta , D. / Archer , T. / Dvpvy
1998 Dodge Viper GTS-R #51 1998 Lemans Winner Beretta , D. / Archer , T. / Lamy , P.
1998 Dodge Viper GTS-R #56 1998 LeMans Ayles , G. / Hugenholtz , J. / Turner , M.
1998 Dodge Viper GTS-R #55 1998 LeMans Amotin , N. /Gomes , G. / Mello-Bryner , M.
1998 Dodge Viper GTS-R #53 1998 LeMans Winner GT2 class Drudi , L. / Bell , J. / Donohue , D.
1999 Dodge Viper GTS-R #53 Zakspeed Duez, M. / Tiemann, H. J. / Zakowski, P. /Ludwig, K.
1999 Dodge Viper GTS-R #91 Petite Lemans Beretta , O / Dues , M. / Wendlinger , K.
2000 Dodge Viper GTS-R #91 2000 Daytona 24 hours winner Beretta , O / Dupuy , D / Wendlinger , K.
2000 Dodge Viper GTS-R #51 24 Hrs of Lemans , Class winner Beretta , O / Dupuy , D / Wendlinger , K.
2001 Dodge Viper GTS-R #33 Zakspeed / Winner 2001 24hrs of Nurburgring
2002 Dodge Viper GTS-R #1 Zakspeed Zakowski , P. / Lamy , P. / Lechner , R.
2002 Dodge Viper GTS-R LM #52 Team Oreca , 24 Hours of LeMans Belloc , J. / Cochet , J. / Treluyer , B.