Bishops, [45], [70], [71], [87], [88], [90], [117], [120], [155], [167], [178], [181], [182], [192]–93, [206], [210]; and papacy, [178]–79, [182]; and feudal powers, [178]

Björnson, [299]

Black Death, the, [222], [229]

Black Madonnas, [185]

Blood covenant, [20]

Bloodshed, Christian, [173]

Bodin, [270], [279], [281]

Boers, [313]

Boethius, [158], [232]

Bogomilians, [199], [201], [243]