Ibn Batuta—The Travels of, trans. by Samuel Lee, D.D. London, 1829.

Ibn Haukal—The Oriental Geography of, trans. by Sir W. Ouseley. London, 1800.

Issaverdens, Dr.—Armenia and the Armenians. Venice, 1875.

Jean du Plan de Carpin—Relation de, in Recueil des Voyages et des Mémoires, etc.

Jirecek, K. J.—Geschichte der Bulgaren. Prag, 1876.

Jordanus Catalani—Wonders of the East, trans. by Col. H. Yule. Hakluyt Society’s Publication, 1863.

Kanitz, F.—Donau-Bulgarien und der Balkan, etc. Leipzig, 1875–77.

Kazvini—Kosmographie, etc.; trans. by H. Ethè. Leipzig, 1868.

Khanikoff—Mémoire sur Khacani, in the Journal Asiatique, VI, série, v.

Khanikoff—O nyekotóryh’ Arábskyh’ nadpýseh, in the Zapýssky Imperátorskavo Geographýtcheskavo Obstschestvà.