Норманны. От завоеваний к достижениям. 10501–100 гг.

Об этом см. R. L. Poole, Papal Chancery, pp. 76–97.

538

Haskins, in Casinensia, I, pp. 115–124; M. Wiliard in Haskins, Anniversary Essays, pp. 351–364; Poole, loc. cit.

539

F. Torraca in Casinensia, I, pp. 167–171.

540

Pat. Lat., 147, cols. 1234–1238.

541

Betraux, op. cit., pp. 191, 425, 504.

542

Cf. Rashdall, Medieval Universities, I, ch. III.

543

L. Thorndike, History of Magic and Experimental Science (1923), ch. XXXI; Courtois. «Gregoire VII et l'Afrique du Nord», Reuvue historique (1945).

544

Thorndike, loc. cit.

545

H. Bloch, op. cit., p. 221.

546

Ibid.

547

P. Capparoni, in Casinensia, I, p. 156.

548

Haskins, Medieval Science, pp. 155–190.

549

Amari, Storia dei Mussulmani in Sicilia, III, pp. 458, 471.

550

Haskins, Renaissance, pp. 292–294.

551

Caspar, Roger II, pp. 459, 460.

552

Lenormant, Grande Grece, III, p. 305.

553