H80-16/263 Casper Steam Laundry Remodelled and Addition Plan and Specifications for Otis Thompson-Proprietor (?), comm C-187, Casper, WY, https://drive.google.com/file/d/0BwGs7_2V6bvEeXdad1MtaENKSUk/view?usp=drive_link&resourcekey=0-06iPhG35NEdy-mVtUq81jQ. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

H80-16/263 Casper Steam Laundry Remodelled and Addition Plan and Specifications for Otis Thompson-Proprietor (?), comm C-187, Casper, WY, https://drive.google.com/file/d/0BwGs7_2V6bvEeXdad1MtaENKSUk/view?usp=drive_link&resourcekey=0-06iPhG35NEdy-mVtUq81jQ. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/4555 Accessed November 06, 2024.