Governor Brooks – petitions for pardon, Shaffer, Daniel, https://drive.google.com/file/d/0B_YiJoTQNoYedWVsb21UZjdvQWs/view?usp=drive_link&resourcekey=0-uO9s1ew4JT51TRT0Z4f6zw. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

Governor Brooks – petitions for pardon, Shaffer, Daniel, https://drive.google.com/file/d/0B_YiJoTQNoYedWVsb21UZjdvQWs/view?usp=drive_link&resourcekey=0-uO9s1ew4JT51TRT0Z4f6zw. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/3627 Accessed February 16, 2025.