Nine Reference Books Pertaining to Horology comprising: Roberts, Derek. Carriage and Other Traveling Clocks. Schiffer Publishing Ltd., Atglen, PA, 1993.Bruton, Eric. The History of Clocks and Watches. Rizzoli International Publications, Inc., New York, 1979.Randall, Anthony G. The Time Museum Catalogue of Chronometers. The Time Museum, Rockford, IL, 1991. Nutting, Wallace. The Clock Book. Garden City Publishing Co., Inc., New York, NY, 1935.de Carle, Donald. Watch and Clock Encyclopedia. N.A.G. Press, London, 1983.Ela, Chipman P. The Banjo Timepiece: An In-Depth Study of the Weight-Driven Banjo Clock. Carriage House, Fryeburg, ME, 1978. Mercer, Tony. Chronometer Makers of the World. N.A.G. Press, London, 2004.Moore, N. Hudson. The Old Clock Book. Tudor Publishing Company, New York, NY, 1911.Pillar & Scroll. National Association of Watch and Clock Collectors, Inc., 2006.