found: Todeschini, G. Un trattato di economia politica francescana, 1980:title page (Pietro di Giovanni Olivi) page 3 (Pierre Jean Olieu, provenzale; referred to as P.J. Olivi in bibliographic references in English, German, or French)
found: Encyclopedia Britannica, 1972(Olivi, Pierre)
found: Encyclopedia Americana, 1975(Olivi, Peter John, leader of Franciscan Spirituals in Provence)
found: New Catholic encyclopedia. Second edition:volume 11, pages 189-190 (Peter John Olivi (see-reference from Olivi, Peter John); Franciscan philosopher and theologian; born at Sérignan, near Béziers, in 1248; died March 14, 1298, at Narbonne; referred to as Olivi throughout article)
found: Grande Larousse(Olieu, or Olivi, Pierre, born in Sérignan about 1248, died in Narbonne in 1298)
found: Enciclopedia italiana(Olivi, Pietro di Giovanni (Pierre de Jean Olieu) born Sérignan, Béziers, in 1248 or 1249; died March 14, 1298, in Narbonne)
found: Bérubé, C. De l'homme à Dieu, 1983:title page (Olivi)
found: Commentary on the Gospel of Mark, 2011:title page (Peter of John Olivi) back cover (Peter of John Olivi, 1248-1298, a Provencal Franciscan)
found: Lerner, Robert E. The feast of Saint Abraham, 2001:pages 54-57 (Peter Olivi; Franciscan theologian from Languedoc; died in 1298)
found: Puissance, action, mouvement, 2019:t.p. (Pierre de Jean Olivi, 1248-1298)
notfound: Encyc. Brit., 1977.
