Напр.: V. Laurent, Le Corpus des sceaux de l'empire byzantin II: L'administration centrale (Paris 1981), no. 469 (Bulgarian); G. Zacos, Byzantine Lead Seals II, compiled and ed. J. Nesbitt (Bern, 1984), no. 706 (interpreter to the English); ibid. (Anglo-Saxon); Laurent, Le Corpus des sceaux de l'empire byzantine, no. 991 (interpreter of the fleet).