Giacomo, da Lentini, active 13th century

found: Diz. biografico degli italiani, 2000, via Treccani.it Web site, Aug. 31, 2012(Giacomo (Iacopo) da Lentini, called il Notaro, Notaro Giacomo; b. Lentini, Sicily, probably around the end of the 12th/beginning of the 13th century; d. after middle of 13th century; notary at court of Emperor Frederick II and poet of Sicilian school) - http://www.treccani.it/enciclopedia/giacomo-da-lentini_%28Dizionario-Biografico%29/

found: Oxford dict. of the Middle Ages, 2010, via Oxford Reference Online, Aug. 31, 2012(Jacopo (Giacomo) da Lentini (fl. ca.1233-c.1248), notary at court of Frederick II and poet; founder of Sicilian school according to Dante; possible inventor of sonnet form)

found: The poetry of Giacomo da Lentino, 1915, via Archive.org, Aug. 31, 2012:p. xiii-xiv (Giacomo da Lentino, chief poet of the Sicilian school; in manuscripts styled Notaro Giacomo or Giacomo Notaro; one instance of "Notar Jacomo dallentino"; cites Lentino (modern Italian Lentini) as his birthplace in his poems)

found: OCLC, Aug. 31, 2012(hdgs.: Giacomo, da Lentini; Giacomo, da Lentini, 13th cent.; Giacomo da Lentini; Giacomo da Lentini, 13th cent.; Giacomo da Lentino; Jacopo, da Lentino; Da Lentino, Giacomo; De Lentini, Jacopo; Giacomo, Notaro; usage: Giacomo da Lentini; Giacomo da Lentino; notaro Jacomo Da Lentino; Giacomo da Lentino notaro; Notaro Giacomo; Jacopo Notaro)