Columbia subject headings:
Folklore--Southwest, New.
Outlaws--Southwest, New--Biography.
Ringo, John--Legends.
Ringo, John.
Southwest, New--Biography.
Harvard subject headings:
Folklore--Southwest, New.
Outlaws--Southwest, New--Biography
Ringo, John, 1850-1882--Legends.
Ringo, John, 1850-1882.
Ringo, John--Legends.
Ringo, John.
Southwest, New--Biography
Princeton subject headings:
Folklore--Southwest, New.
Outlaws--Southwest, New--Biography.
Ringo, John--Legends.
Ringo, John.
Southwest, New--Biography.