William H. Bonney "Billy the Kid" Collection (AC017-P), Fray Angélico Chávez History Library/New Mexico History Museum, Santa Fe, New Mexico.
William H. Bonney "Billy the Kid" Collection (AC017-P), Fray Angélico Chávez History Library/New Mexico History Museum, Santa Fe, New Mexico. https://nmarchives.unm.edu/repositories/10/resources/18 Accessed December 07, 2023.