Particular focus is directed toward the conciliar movement, which threatened the authority and relevance of the papacy; this is a particularly interesting problem in that before he became pope, Aeneas Sylvius
Piccolomini had made a name for himself as a radical conciliarist.
." Aeneas Sylvius Piccolomini, Letter to Cardinal Juan Carvajal, 21 August 1451 in Der Briefwechsel des Eneas Silvius Piccolomini, vol.
." Aeneas Sylvius, Historia bohemica in Aeneae Sylvii Piccolominei Opera Omnia, (Basel, 1571), p.
Siena also had some well-known students, including Aeneas Sylvius
Piccolomini and the famous Croatian humanist and poet Marin Drzic (or Darsa).
Nederman examines the roots of Nicholas's thought, and that of Aeneas Sylvius
Piccolomini (Pope Pius II), on the empire.
A significant contribution to conciliar and papal history, Reject Aeneas, Accept Pius: Selected Letters of Aeneas Sylvius
Piccolomini (Pope Pius II) offers a detailed portrait of one of Renaissance Europe's most influential figures and a revealing window onto the world in which he lived.
Nearly from the beginning Hinderbach made his way in court circles at Vienna, and in the Council of Basel he became closely associated with Aeneas Sylvius
Piccolomini as well as Cusanus and others.
 (In the more jaundiced view of Aeneas Sylvius Piccolomini, it was difficult to get Ugo to stop talking, which perhaps amounts to the same thing.
(60.) Aeneas Sylvius Piccolomini, Europae descriptio, chapter 52, gives an account of Ugo's banquet for the learned Greeks who attended the Council of Ferrara at which he engaged the guests in argument about the relative merits of Aristotle and Plato, so that "protracta est ad multas horas disputatio." The passage is edited in Lockwood, 157.
Worster regards the writing of poems and treatises in praise of one's city or principality as an activity characteristic of humanists everywhere, and he devotes much space (98-139) to encomia for Moravian cities, which took their proximate inspiration from Aeneas Sylvius
's 1438 praise of Basel.