Oklahoma Quixote
1980
OT Giant Horns
1992
OT Superior's Droopy
1987
Overchill
1992
Overhead
1997
Overlord CP
1996
Overlyn
1989
Overwhelmer
1982
Overwith
2000
Pappy "L"
1973
Phenomenon
1983
Play Boy
1977
Presidential Suite
1984
R3 Dylan
1994
R3 Santana
1993
R3 Strider
2001
Ramblin' Rose
1974
Ranchita
1990
Ranger's Big'Un
1974
Ranger's Double
1970s
Ranger's Measles
1975
Ranger's Ranch Hand
1976
Ranger's Roughneck
1993
Ranger's Show Boy
1974
Rattlesnake
1985
Redmac Beau Butler
1980
Red Neck
1970
RM Whirlwind
1987
Roe's MT Classy
1988
Rope Burn
1987
Rose Red
1972
Royal Mounty
1976
Royal Ten 234
1981
Rural Delivery
1980