Peter of Hispania (Latin: Petrus Hispanus; Portuguese and Spanish: Pedro Hispano; fl. 13th century) was the author of the Tractatus, later known as the...

Petrus Ferrandi Hispanus (also Peter Ferrand or Peter of Spain; Spanish: Pedro Ferrando; died before 1259) was a Dominican friar who wrote the Legenda...

earlier history purportedly written by Isidore of Córdoba. (Latin: Petrus Hispanus; Portuguese and Spanish: Pedro Hispano; fl. 13th century) was the author...

identified with the logician and herbalist Peter of Spain (Latin: Petrus Hispanus; Portuguese: Pedro Hispano), which would make him the only pope to...

Dialectic page 184 Rijk, Lambertus Marie de (1972). Peter of Spain (Petrus Hispanus Portugalensis): Tractatus: Called afterwards Summule logicales. First...

Pedro Rodríguez de Quexada or Petrus Hispanus (died 20 December 1310, in Avignon) was an ecclesiastic from Castile. He was a canon of Burgos Cathedral...

Gilbert de la Porrée's De sex principiis and Summulae Logicales by Petrus Hispanus (later Pope John XXI). The standard work of astronomy was Tractatus...

11th century, Pope John XIV was mistakenly counted as two popes. When Petrus Hispanus was elected pope in 1276, he believed that there had already been twenty...

(254 days) John XXI IOANNES Vicesimus Primus Pedro Julião (a.k.a. Petrus Hispanus and Pedro Hispano) c. 1215 Lisbon, Portugal 60 / 70 Born as a subject...

skipped by John XXI. – Pope John XXI 1276–1277 Pedro Julião romanised as Petrus Hispanus Dual-numbered John XXI (XX). Pedro Julião selected the number XXI because...