In Encyclopædia Britannica: http://www.britannica.com/eb/article-9059491 ↑ Zagarolo Toy Museum website (in Italian) ↑ "Zagarolo historic weather averages in Italy". Intellicast. Retrieved 26 March 2009. ↑ Official site of the "Amici di Zagarolo" organization (in Italian) ↑ Touro University in Rome: english courses in Zagarolo http://www.touro.edu/Italy/ESL/ ↑ "Les Amis du Jumelage Six-Fours / Emmendingen / ZAGAROLO".