Marie Elwood Father and Son, Two Halifax Cabinetmakers: Thomas C. Holder 1821-1894, Henry A. Holder 1853-1935 HTML PDF
David Newlands The Archeological Investigation of Two Huron County, Ontario, Earthenware Potteries HTML PDF
Mary Sparling "Father and Son, Two Halifax Cabinetmakers." Nova Scotia Museum, December 1975 - March 1976 HTML PDF
Thiery Ruddell Deux expositions sur les artisans d'autrefois: Galerie de l'Université du Québec à Montréal et Musée McCord HTML PDF
