@book{26482,
	author = {Jillson, Willard Rouse,},
	title = {The clays of Kentucky,},
	publisher = {Kentucky Geological survey,},
	year = {1926.},
	series = {Kentucky. Geological survey. Ser. VI. Phmphlet 9},
	address = {Frankfort, Ky.,},
	note = {Reprinted with revisions and additions from the Ceramist, Trenton, N.J., Feb., 1926.}
}