Statement Presented on Behalf of Chile in Reply to the Argentine Report Submitted to the Tribunal Constituted by H. B. Majesty's Government Acting as Arbitrator in Pursuance of the Agreement Dated April 17, 1896, s. 675. Butler & Tanner, 1902. Teoksen verkkoversio.
Madgearu, Alexandru: The Asanids: The Political and Military History of the Second Bulgarian Empire (1185–1280), s. 65–66. (East Central and Eastern Europe in the Middle Ages, 450–1450) Brill, 2016. ISBN 9789004333192Teoksen verkkoversio.
Lear, Edward: Journals of a Landscape Painter in Albania, etc, s. 391. R. Bentley, 1851. Teoksen verkkoversio.