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From Library of Congress Name Authority File

us: John XXI, Pope, -1277

  • URI(s)

  • Instance Of

  • Scheme Membership(s)

  • Collection Membership(s)

  • Variants

    • us: Giovanni XXI, Pope, -1277
    • us: Juliani, Petrus, -1277
    • us: Pedro, Hispano, -1277
    • us: Peter, of Spain, -1277
    • us: Petrus, Hispanus, -1277
    • us: Petrus, Hispanus Portugalensis, -1277
    • us: Piero, Spano, -1277
    • us: Pietro, Ispano, -1277
    • us: Pietro, Spano, -1277
    • us: Rebello, Pedro Juli ao, -1277
  • Additional Information

    • Death Date

  • Related Terms

    • us: Catholic Church. Pope (1276-1277 : John XXI)
  • Earlier Established Forms

      Joannes XXI, Pope, d. 1277 John XXI, Pope, d. 1277
  • Sources

    • found: His Qui in comincia illibro chiamato Thesoro de poueri, ca. 1497: t.p. (Piero Spano)
    • found: LC manual cat. (hdg.: Joannes XXI, Pope, d. 1277; usage: Pedro Hispano, Peter of Spain, Pietro Spano)
    • found: Encyc. Brit., 15th ed., c1983 (John XXI; orig. name, Petrus Juliani, also called Peter of Spain; b. c. 1210-20, Lisbon; d. 5/20/1277, Viterbo, Italy; pope, 1276-77; wrote one of the most widely-used medieval textbooks on logic, Summulae logicales)
    • found: Encyc. of philosophy, c1967 (Peter of Spain, or Petrus Hispanus, Petrus Juliani (1210/1220-1277); logician, philosopher, pope; author of Summulae logicales)
    • found: His Tractatus, called afterwards, Summule logicales, 1972, 1973: t.p. (Peter of Spain (Petrus Hispanus Portugalensis)) p. ix, etc. (identification with Pope John XXI disputed; may have been Petrus Alfonsi, O.P., or Petrus Ferrandi Hispanus (d. 1254-1259?))
    • found: New Cath. encyc., c1967 (John XXI, Pope (Peter of Spain); b. Petrus Juliani or Petrus Hispanus, Lisbon, between c. 1210 and 1215; his best-known work, the Summulae logicales)
    • found: BL database, 1 Nov. 2002 (ref.: Rebello, Pedro Juli ao)
    • found: John XXI, Pope. Il tesoro dei poveri, c2007: t.p. (Pietro Ispano (Papa Giovanni XXI))
  • Change Notes

    • 1986-04-16: new
    • 2013-03-12: revised
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