Governor DeForest Richards - Petition for Pardon J.C. O'Brien, https://drive.google.com/file/d/0B_YiJoTQNoYeZXdGZlM1Mm1VNDA/view?usp=drive_link&resourcekey=0-J_MYJuo_mrcb0jqq8wqObw. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

Governor DeForest Richards - Petition for Pardon J.C. O'Brien, https://drive.google.com/file/d/0B_YiJoTQNoYeZXdGZlM1Mm1VNDA/view?usp=drive_link&resourcekey=0-J_MYJuo_mrcb0jqq8wqObw. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/760 Accessed November 28, 2024.