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: portada (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)

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))

Oxford DNB, Jan. 22, 2007 (Zuccaro, Federico (1539/40-1609), painter)

Britannica online, Jan. 22, 2007 (Zuccaro, Federico; born c. 1540, Sant'Angelo in Vado, Urbino; died July 20, 1609, Ancona; also spelled Zuccari)

Union List of Artists Names Online, sitio web, 9 septiembre 2016: (Zuccaro, Federico (Italian painter, architect, 1540/1541-1609) Note: Federico was the younger brother of Taddeo Zuccaro, under whom he studied in Rome. Noted as a fresco painter with commissions in numerous churches in Rome and elsewhere. Names: Zuccaro, Federico; Federico Zuccaro; Zuccheri, Federigo; Zuccaro, Federigo; Zuccheri, Federico; Zuccarro, Federico; Sucarus, Federico; Federico Zuccari; Federico Zucchero; Federico Zuchero; Zuccari, Federico; Federico Zuccheri; Federico Zucharo; Federigo Zuccheri; Frederic Zuccheri; Frederico Zucchero; Federigo Zuccaro, Cavaliere; Fred Zucchero; Federico Çucar; Zuccero, Federico; Zucchari, Federico; Zuccoro, Federico; De Zuccaris, Federicus; Zuccaris, Federicus de; Zucchero, Federigo; Zuccheri, Frederic) http://www.getty.edu/vow/ULANFullDisplay?find=Zuccari%2C+Federico&role=&nation=&prev_page=1&subjectid=500020194

RKD artists, sitio web, 9 septiembre 2016: (Federico Zuccaro, male / Italian painter, fresco painter, manufacturer of gouaches, draftsman, art theorist, author. Name variations: Sucarus, Federico; Zuccari, Federico; Zucarro, Federico; Zucchero, Federico; Zuccheri, Federico. Born: Sant' Angelo in Vado, 1539/1543; Deceased: Ancona, 1609-07-20/1609-08-20) https://rkd.nl/explore/artists/86587