St. Bernard of Clairvaux oracle of the Twelfth Century, 1091-1153 ; also known as "The Mullifluous Doctor" - Abbot, Confessor and Doctor of the Church
- Rockford, IL Tan Books 1991
First Period: Domestic life of St. Bernard, from his birth till his entrance into the Order of Citeaux (1091-1113) Second Period: Monastic life of St. Bernard, from his entrance into the Order of Citeaux, to his political life, connected with the schism of Rome (1113-1130) Third Period: Political life of St. Bernard (1130-1140) Fourth Period: Scientific life of St. Bernard, from his disputes with the heretics to the preaching of the Second Crusade (1140-1145) Fifth Period: Apostolic life of St. Bernard, from the preaching of the crusade until his death (1145-1153)