History of Wyoming

（原始内容存档于2008-05-03）.  Wyoming Counties. American Local History Network. RootsWeb.com. [2013-11-18]. （原始内容存档于2013-05-28）.  FIPS Publish 6-4. National Institute of Standards

Osborne: A Real "Character" from the Old West, Annals of Wyoming:The Wyoming History Journal 80 (3) (Wyoming State Historical Society), 2008, 80 (3): 2–162008 

– A History of Lambton (Wyoming excerpt) (PDF). [2014-03-26]. （原始内容 (PDF)存档于2014-03-26）.  维基共享资源上的相關多媒體資源：普林普頓-懷俄明 （英文）Town of Plympton-Wyoming

"Subsurface stratigraphy of the pre-Niobrara Formations in the Bighorn Basin, Wyoming". Wyoming Stratigraphy. Part I: Subsurface Stratigraphy of the Pre-Niobrara

County. National Association of Counties. [2011-06-07]. （原始内容存档于2012-07-12）.  Bartlett, I.S. (编). chapter 31. History of Wyoming. S.J. Clarke Pub. Co. [2022-10-07]