Governor Brooks – petitions for pardon, Robertson, Elbert, https://drive.google.com/file/d/0B_YiJoTQNoYeLTNlOGV5dC00LU0/view?usp=drive_link&resourcekey=0-5ECS_sYaQOiBHVBpTOhwmA. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

Governor Brooks – petitions for pardon, Robertson, Elbert, https://drive.google.com/file/d/0B_YiJoTQNoYeLTNlOGV5dC00LU0/view?usp=drive_link&resourcekey=0-5ECS_sYaQOiBHVBpTOhwmA. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/3611 Accessed November 26, 2024.