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Servois' 1813 Perpetual Calendar, with an English Translation - Bibliography

Salvatore J. Petrilli, Jr. (Adelphi University)

Aebischer, A. and Languereau, H. (2010). Servois ou la géométrie á l'école de l'artillerie. Besançon Cedex: Presses universitaires de Franche-Comté.

Bien, R. (2004). “Gauss and Beyond: The Making of Easter Algorithms,” Archive for History of Exact Sciences 58, No. 5, 439-452.

Bradley, R. E. (2002). “The Origins of Linear Operator Theory in the Work of François-Joseph Servois,” Proceedings of Canadian Society for History and Philosophy of Mathematics 14, 1 - 21.

Bradley, R. E. and Petrilli, S. J. (2010). “Servois' 1814 Essay on the Principles of the Differential Calculus, with an English Translation,” Convergence 7. DOI: 10.4169/loci003487

Dershowitz, N. and Reingold, E. (1997). Calendrical Calculations. Cambridge: Cambridge University Press.

Director, B. (1997). “Mind Over Mathematics: How Gauss Determined the Date of His Birth,” The American Almanac, April 7, 1997.

Français, J. F. (1814). “Solution directe des principaux problèmes du calendrier,” Annales de mathématiques pures et appliquées 4, 273-276.            

Gauss, C. F. (1800). “Berechnung des jüdischen Osterfestes.” Monatliche Correspondenz zur Beförderung der Erd-und Himmels-Kunde, edited by the Baron de Zach, 121-130. Also available from Google Books.

Morris, F. (1921). “The Theory of Perpetual Calendars.” The American Mathematical Monthly, vol. 8, no. 3, 127-130.

Norby, Toke. (1986). “The Danish Perpetual Calendar.” Dansk Filatelistisk Tidsskrift 2, 57-63.

Norby, Toke. (2000). The Perpetual Calendar: A Helpful Tool to Postal Historians. Retrieved September 1, 2011, from

O'Connor, J. and Robertson, E. (1999). “Omar Khayyam.” Retrieved October 18, 2011, from MacTutor History of Mathematics Archive:

Petrilli S. J. (2010).  “François-Joseph Servois: Priest, Artillery Officer, and Professor of Mathematics,” Convergence 7. DOI: 10.4169/loci003498

Reints, H. (2009). “Gregorian algorithm by Carl Friedrich Gauss (1777-1855).” Easter Date Algorithms. Retrieved October 20, 2011, from

Richards, E. G. (1998). Mapping Time: The Calendar and its History. Great Britain: Oxford University Press.

Robinson, K. (2002). “A One-Page Perpetual Calendar.” How to Make Some Useful Things from Practically Nothing. Retrieved September 1, 2011, from

Servois, F. J. (1813). “Calendrier perpétuel,” Annales de mathématiques pures et appliquées 4, 84-90.

Servois, F. J. (1814a). “Sur la théorie des imaginaries, Lettre de M. Servois," Annales de mathématiques pures et appliquées 4 (1813-1814), 228-235.

Servois, F. J. (1814b). “Essai sur un nouveau mode d'exposition des principes du calcul différentiel," Annales de mathématiques pures et appliqués 5 (1814-1815), 93-140.            

Smith, D. E. (1953). History of Mathematics, Volume II. New York: Dover Publications.

Tondering, C. (2012). “Frequently Asked Questions about Calendars.” The Calendar FAQ. Retrieved May 31, 2012, from

Vargha, M. (2005). Franz Xaver von Zach (1754-1832): His Life and Times. (Translated by József Csaba.). Budapest: Konkoly Observatory of the Hungarian Academy of Sciences.

Salvatore J. Petrilli, Jr. (Adelphi University), "Servois' 1813 Perpetual Calendar, with an English Translation - Bibliography," Loci (June 2012), DOI:10.4169/loci003884