Governor Brooks – petitions for pardon, Gustavenson, Alfred, https://drive.google.com/file/d/0B_YiJoTQNoYebC1zX0VUbF8yU0k/view?usp=drive_link&resourcekey=0-KiguJvSZ6HKmIP4nWWxaRA. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

Governor Brooks – petitions for pardon, Gustavenson, Alfred, https://drive.google.com/file/d/0B_YiJoTQNoYebC1zX0VUbF8yU0k/view?usp=drive_link&resourcekey=0-KiguJvSZ6HKmIP4nWWxaRA. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/3470 Accessed November 22, 2024.