Robert K. Mortensen's In the Cause of Progress: a History of the New Mexico Cattle Growers' Association Manuscript (MSS 436 BC), Center for Southwest Research and Special Collections, University of New Mexico Libraries.
Robert K. Mortensen's In the Cause of Progress: a History of the New Mexico Cattle Growers' Association Manuscript (MSS 436 BC), Center for Southwest Research and Special Collections, University of New Mexico Libraries. https://nmarchives.unm.edu/repositories/22/resources/1627 Accessed May 15, 2024.
