1: . JOHN PAUL II, Apostolic Letter Egregiae Virtutis (31 December 1980): AAS 73 (1981), pp. 258-262.[...] 2: . LEO XIII, Encyclical Epistle Grande Munus (30 September 1880), in Leonis XIII Pont. Max. Acta, [...] 3: . PAUL VI, Apostolic Letter Pacis Nuntius (24 October 1964): AAS 56 (1964), pp. 965-967. 4: . Cf. Magnae Moraviae Fontes Historici, t. III, Brno 1969, pp. 197- 208. 5: . Only in a few Slav nations is the feast still celebrated on 7 July.
6: . Cf. Vita Constantini VIII, 16-18: Constantinus et Methodius Thessalonicenses, Fontes, recensueru[...] 7: . Cf. Vita Constantini XIV, 2-4; ed. cit., pp. l99f. 8: . Vita Methodii VI, 2-3; ed. cit., p. 225. 9: . Cf. Magnae Moraviae Fontes Historici, t. III, Brno 1969, pp. 197- 208. 10: . Cf. Vita Methodii VIII, 1-2: ed. ctt., p. 225. 11: . Cf. Vita Methodii XVII, 13: ed. cit., p. 237. 12: . Cf. ibid.; cf. also 1 Cor 9:22.
21: . The successors of Pope Nicholas 1, even though they were concerned at conflicting reports regard[...] 22: . Jn 17:21 f. 23: . Ps 117[116]:1. 24: . Decree on Ecumenism Unitatis Redintegratio, 4. 25: . Decree on Ecumenism Unitatis Redintegratio, 1. 26: . Vita Methodii IX, 3: VIII, 16: ed. cit., pp. 229; 228. 27: . Cf. Vita Methodii IX, 2: ed. cit., p. 229.
41: . Cf. Vita Methodii XI, 2-3: ed. cit., p. 231. 42: . Cf. SECOND VATICAN COUNCIL, Decree on the Church's Missionary Activity Ad Gentes, 38. 43: . JOHN PAUL II, Speech at the ecumenical meeting in the Basilica of Saint Nicholas at Bari (26 Febr[...] 44: . Ibid., No. 1: loc. cit., p. 531. 45: . SECOND VATICAN COUNCIL, Dogmatic Constitution on the Church Lumen Gentium, 1.