Governor Brooks – petitions for pardon, Martin, Charles L., https://drive.google.com/file/d/0B_YiJoTQNoYeV1ptM3JubDBMUk0/view?usp=drive_link&resourcekey=0-PwvGiexKQuAomZf-n-3o1Q. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

Governor Brooks – petitions for pardon, Martin, Charles L., https://drive.google.com/file/d/0B_YiJoTQNoYeV1ptM3JubDBMUk0/view?usp=drive_link&resourcekey=0-PwvGiexKQuAomZf-n-3o1Q. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/3545 Accessed November 25, 2024.