Governor Joseph M. Carey – Petitions for Pardon, Burdick, Frank E., https://drive.google.com/file/d/0B_YiJoTQNoYedzd5WV9hWXFWNUk/view?usp=drive_link&resourcekey=0-EYq80rfXjldHm68TucYvSg. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

Governor Joseph M. Carey – Petitions for Pardon, Burdick, Frank E., https://drive.google.com/file/d/0B_YiJoTQNoYedzd5WV9hWXFWNUk/view?usp=drive_link&resourcekey=0-EYq80rfXjldHm68TucYvSg. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/4606 Accessed November 26, 2024.