Dillin, J. G. W. 1., & Scofield, K. (1924). The Kentucky rifle: A study of the origin and development of a purely American type of firearm, together with accurate historical data concerning early colonial gunsmiths, and profusely illustrated with photographic reproduction of their finest work. Washington, D.C.: National rifle association of America.

Dillin, John G. W. 1860-1957., and Kendrick Scofield. The Kentucky Rifle: A Study of the Origin and Development of a Purely American Type of Firearm, Together With Accurate Historical Data Concerning Early Colonial Gunsmiths, and Profusely Illustrated With Photographic Reproduction of Their Finest Work. Washington, D.C.: National rifle association of America, 1924.

Dillin, John G. W. 1860-1957., and Kendrick Scofield. The Kentucky Rifle: A Study of the Origin and Development of a Purely American Type of Firearm, Together With Accurate Historical Data Concerning Early Colonial Gunsmiths, and Profusely Illustrated With Photographic Reproduction of Their Finest Work. Washington, D.C.: National rifle association of America, 1924.