• A
• Absolution, 53, 66, 71, 79
• Abstinence, 72
• Ademar, 32
• Agobard, 26
• Alan de Insulis, 48
• Albi, 5, 41, 47
• Angels, 34, 51, 64
• Apocrypha, 10, 12
• Apostolic Succession, 65
• Ave Maria, 75

• B
• Baptism, 31, 36, 43, 45, 53, 57, 60, 62, 67, 70
• Bernard, 40
• Bible, 13, 16, 22, 34, 47, 54, 75, 83
• Bishops, 15, 24, 28, 44, 52, 75
• Bogomiles, 14
• Bulgaria, 12

• C
• Celibacy, 32, 39, 74
• Charlemagne, 22, 24
• Christ, 51, 53, 55, 89
• Confession, 31, 44, 49, 56, 57, 76
• Consolamentum, 15, 32, 70, 83 seq.
• Conversion, 21
• Councils, 15, 23, 33, 35, 36, 39, 41, 42, 40, 51, 54
• Revenge, 61
• Rheims, 35, 39

• S
• Sacraments, 31
• Sandaliati, 74
• Septuagint, 12
• Slavs, 20

• T
• Tithes, 53
• Toulouse, 5, 28, 35, 36, 41, 46, 47, 50, 56
• Tours, 41
• Trinity, 34, 69

• U
• Unction, extreme, 57

• V
• Virgin Mary, 32, 34, 57
• Vulgate, 12

• W
• Waldenses, 47, 49, 50, 52, 55-58, 61, 62, 66, 67, 76, 79