Governor DeForest Richards - Petition for Pardon Charles E. Sligh, https://drive.google.com/file/d/0B_YiJoTQNoYebWRXYzZFMEg3amM/view?usp=drive_link&resourcekey=0-SXFa06vJ9-gYM7ojhw5cMQ. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

Governor DeForest Richards - Petition for Pardon Charles E. Sligh, https://drive.google.com/file/d/0B_YiJoTQNoYebWRXYzZFMEg3amM/view?usp=drive_link&resourcekey=0-SXFa06vJ9-gYM7ojhw5cMQ. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/778 Accessed November 24, 2024.