Dante Alighieri. La Divina commedia di Dante Alighieri nell’arte del cinquecento ... 1908.
Catholic Church. Rota Romana. Decisio S. Rotae Romanae coram Reuerendiss. D. Du Nozet decano in causa Romana fideicommissi de Zuccaris ... 1650: t.p. (de Zuccaris) p. 3 (Federicus de Zuccaris insignis pictor)
Federico Zuccaro : Kunst zwischen Ideal und Reform, 2000.
Herrmann-Fiore, K. Federico Zuccari, c2001: p. 95 (b. 1539; d. 1609)
Union list of artists on line, Jan. 22, 2007 (Zuccaro, Federico (Italian painter and draftsman, ca. 1541-1609); variants: Zuccari, Federico; Zuccarro, Federico; Zuccero, Federico; Zucchari, Federico; Zuccheri, Federico; Zuccheri, Federigo; Zuccoro, Federico; Zuccheri, Frederic)
Grove art online, Jan. 22, 2007 (Federico Zuccaro (b. Sant’ Angelo in Vado, Marches, 1540-42; d. Ancona, 6 Aug 1609); painter, draughtsman, and writer)
Artcyclopedia, Jan. 22, 2007 (Federico Zuccaro [Italian Mannerist Painter, ca.1542-1609]; also known as Federico Zuccari, Federigo Zuccaro)
Web gallery of art, Jan. 22, 2007 (Zuccaro, Federico (b. ca. 1542, Sant’Angelo in Vado, d. 1609, Ancona))
Artnet, Jan. 22, 2007 (Federico Zuccaro (Italian, born circa 1540-1609))
National Portrait Gallery, Jan. 22, 2007 (Federico Zuccaro (circa 1541-1609))
Wikipedia, Jan. 22, 2006 (Federico Zuccaro; Federigo Zuccaro oder Federico Zuccari (b. 1542 in Sant’ Angelo in Vado, Italien; d. 1609 in Ancona))