succession of earls, [22], [37];

converted by Olaf Tryggvi's son, [27];

under Norway, [33], [35];

first cathedral and bishop's seat at Birsay, [45];

double bishops, [48], [49], [145] (n. 8);

a contingent in expedition against Saxons, [45], [47];

trade with Grimsby, [61];

the bishops, [63];

Sweyn's viking life, [73];

agriculture, [73], [74];