Columbia subject headings:
Brigands and robbers.
Frontier and pioneer life--New Mexico.
Frontier and pioneer life--Texas.
Harvard subject headings:
Brigands and robbers.
Frontier and pioneer life--New Mexico
Frontier and pioneer life--Texas
Southwest, New--Social life and customs.
Princeton subject headings:
Brigands and robbers.
Frontier and pioneer life--New Mexico.
Frontier and pioneer life--Texas.