Governor William Richards petitions for pardon – Flick, Richard E., https://drive.google.com/file/d/0B_YiJoTQNoYeY0VLLXpBR3QtSVU/view?usp=drive_link&resourcekey=0-gu3F2QlOgdPRGhmQqzaDZQ. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

Governor William Richards petitions for pardon – Flick, Richard E., https://drive.google.com/file/d/0B_YiJoTQNoYeY0VLLXpBR3QtSVU/view?usp=drive_link&resourcekey=0-gu3F2QlOgdPRGhmQqzaDZQ. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/2820 Accessed November 05, 2024.