KINDIG (JOE): Thoughts on the Kentucky Rifle in its Golden Age, plates, cloth, 4to, 1960 - DILLIN (J.G.W.): The Kentucky Rifle, plates, cloth, 4to, 1924 - KAUFFMAN (H.J.): The Pennsylvania Kentucky Rifle, plates, cloth, d.w., 4to, 1960; Early American Gunsmiths 1650-1850, 1952 - BIRNIE (R): Gun Making in the United States, 1918 - and eight books and booklets on U.S. firearms (13)