Earle, AM (1971). Sundials and Roses of Yesterday. Rutland, VT: Charles E. Tuttle. ISBN 0-8048-0968-2. LCCN 74142763. Reprint of 1902 book published by Macmillan (New York).
Rohr, RRJ (1996). Sundials: History, Theory, and Practice. translated by G. Godin. New York: Dover Publications. ISBN 0-486-29139-1. Slightly amended reprint of the 1970 translation published by University of Toronto Press, Toronto. The original was published in 1965 as Les Cadrans solaires by Gauthier-Villars (Montrouge, France).
Cadran Solaires. Nyons: Artissime. 1988. Selections from the 1895 paper by Raphaël Blanchard in the Bulletin de la Société d'Etudes des Hautes-Alpes.
Further readingedit
Boursier, C (1936). 800 Devises de cadrans solaires (in French). Paris.{{cite book}}: CS1 maint: location missing publisher (link)
Cross, L (1915). the Book of Old Sundials. illustrated by W Hogg. London: Foulis Press.