Governor Joseph M. Carey – Petitions for Pardon, Claussen, Herman, https://drive.google.com/file/d/0B_YiJoTQNoYeTUxVX1R0SVFMaTA/view?usp=drive_link&resourcekey=0-lGneSJaBChK4bDl2c8kBIw. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

Governor Joseph M. Carey – Petitions for Pardon, Claussen, Herman, https://drive.google.com/file/d/0B_YiJoTQNoYeTUxVX1R0SVFMaTA/view?usp=drive_link&resourcekey=0-lGneSJaBChK4bDl2c8kBIw. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/4624 Accessed November 26, 2024.