as a god Alexandru Callimachi (1737–1821), Prince of Moldavia References Sources and external links Bolu - Kartalkaya Accommodation - Kartalkaya Golden Key Izzet Baysal University official website Anatolia.com - Bolu Pictures of the city Information about Bolu city Bolu News Bibliography - ecclesiastical history Konrad Eubel, Hierarchia Catholica Medii Aevi, vol. 2, p. 130; vol. 4, p. 153; vol. 5, p. 161; vol. 6, p. 169 Raymond Janin, lemma '1. Claudiopolis', in Dictionnaire d'Histoire et de Géographie ecclésiastiques, vol. XII, Paris 1953, coll. 1077–1079 Michel Lequien, Oriens christianus in quatuor Patriarchatus digestus, Paris 1740, Vol. I, coll. 567-572 Heinrich Gelzer, Ungedruckte und ungenügend veröffentlichte Texte der Notitiae episcopatuum, in: 'Abhandlungen der philosophisch-historische classe der bayerische Akademie der Wissenschaften, 1901, pp. 529–641 Pius Bonifacius Gams, Series episcoporum Ecclesiae Catholicae, Leipzig 1931, p. 442 Populated places in Bolu District Ancient Greek archaeological sites in Turkey Roman sites in Turkey