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• W. Lamb: "The Culture of North-East Anatolia and its Neighbours" Anatolian Studies, London 1954, C.V.
• Marco Polo: The Travels of Marco Polo Venetian, London, Toronto 1926 D. Winfield: "A Note on the South-Eastcrn Borders of the Empire of Trebizond in the thirteenth Century" Anatolian Studies, London 1962 C. XII .
• Evliya Çelebi, Seyahatname, îst. 1970 C. IV. Pars Tuğlacı: Osmanlı şehirleri "Gümüşhane" Mad. 1st. 1985. O. Turan: "Bayburt" Mad. Islam Ansiklopedisi, C. IV. Gülyüz (Akagün) Uslu: Gümüşhane ve çevresinin Tarihi-Sanat Eserleri, İstanbul 1980.
• Coşargül Cürer: Gümüşhane'de bulunan Osmanlı Devri Eserleri, Atatürk Üniversitesi Edebiyat Fakültesi, Bitirme Tezi, Erzurum 1981. C. Texier: Description de L' Arménie, La perse, La Mésopotamie, Paris 1842. V. Cuinet: La Turquie d'Asie, Géographie Administrative, Paris 1891-1894 C. IV.
• F.E. Cuğmont: Studia Pontica II , Voyage d'Exploration Archéologigue Dans Le Pont et La Petite Arménie, Bruxelle, 1906. S. Özcan San: Rusların Gümüşhane İlini işgali, Ankara 1987. A. Bryer, D. Winfield: The Byzantine Monuments and Topography of The Pontos, Washington, 1986, C. 1-11.