Governor Brooks – petitions for pardon, Cullen, Mike J., https://drive.google.com/file/d/0B_YiJoTQNoYecHMzUTFvZjVjMGc/view?usp=drive_link&resourcekey=0-we-p0P1rFYbXAR8k6M4f4w. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

Governor Brooks – petitions for pardon, Cullen, Mike J., https://drive.google.com/file/d/0B_YiJoTQNoYecHMzUTFvZjVjMGc/view?usp=drive_link&resourcekey=0-we-p0P1rFYbXAR8k6M4f4w. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/3406 Accessed November 22, 2024.