Olivi, Pierre Jean, 1248 or 1249-1298 (Personal Name)

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)

Encyclopedia Britannica, 1972 (Olivi, Pierre)

Encyclopedia Americana, 1975 (Olivi, Peter John, leader of Franciscan Spirituals in Provence)

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)

Grande Larousse (Olieu, or Olivi, Pierre, born in Sérignan about 1248, died in Narbonne in 1298)

Enciclopedia italiana (Olivi, Pietro di Giovanni (Pierre de Jean Olieu) born Sérignan, Béziers, in 1248 or 1249; died March 14, 1298, in Narbonne)

Bérubé, C. De l'homme à Dieu, 1983: title page (Olivi)

Commentary on the Gospel of Mark, 2011: title page (Peter of John Olivi) back cover (Peter of John Olivi, 1248-1298, a Provencal Franciscan)

Lerner, Robert E. The feast of Saint Abraham, 2001: pages 54-57 (Peter Olivi; Franciscan theologian from Languedoc; died in 1298)

Puissance, action, mouvement, 2019: t.p. (Pierre de Jean Olivi, 1248-1298)

Encyc. Brit., 1977.