Tucker, Spencer (2002). The Great War, 1914-1918. UCL Press. pp. 180–181. ISBN 1-85728-390-2. But Yudenich retook both on 24 August, whereupon both sides retired into winter 1-85728-390-2
Burg, David F. (2010). Almanac of World War I. University of Kentucky Press. p. 104. ISBN 9780813127453. 9780813127453
Gilbert, Martin (2023). The First World War: A complete History. Moscow: Квадрига. p. 322. ISBN 978-5-389-08465-0. 978-5-389-08465-0
Tucker, Spencer; Wood, Laura Matysek; Murphy, Justin D. (1999). The European Powers in the First World War: An Encyclopedia. Garland Publishing. p. 175. ISBN 0-8153-3351-X. 0-8153-3351-X
Jaques 2006, p. 143. - Jaques, Tony (2006). Dictionary of Battles. Vol. 1, A–E. Greenwood Press. While Russian General Nikolai Yudenich seized Erzincan, Ahmet Izzet Pasha's Second Army advanced against the Russian left flank, where his corps cammder Mustafa Kemal seized Bitlis and Mus. Yudenich counter-attacked and, after prolonged combat west of Lake Van, he retook Bitlis and the Turks abandoned Mus before winter ended the fighting.
Tucker, Spencer (2002). The Great War, 1914-1918. UCL Press. pp. 180–181. ISBN 1-85728-390-2. But Yudenich retook both on 24 August, whereupon both sides retired into winter 1-85728-390-2
Chalabian, Antranig (1988). General Andranik and the Armenian Revolutionary Movement. Antranig Chalabian. pp. 273–275. ISBN 0962274119. 0962274119
Herman, Gerald (1992). The Pivotal Conflict: A Comprehensive Chronology of the First World War, 1914-1919. Westport, Connecticut: Greenwood Press. p. 268. ISBN 0-313-22793-4. 0-313-22793-4
The International Military Digest Annual: A Review of the Current Literature of Military Science for 1915. New York City: The International Military Digest. 1916. p. 224. Noteworthy in this theater is the Russian success in recapturing Mush and Bitlis (Aug 25), which the Turks had won earlier in the month. https://books.google.com/books?id=fRUJAQAAMAAJ&pg=PA224
Encyclopedia Americana. Vol. 29. Danbury, Connecticut: Grolier. 2000. p. 300. ISBN 0-7172-0133-3. In any case, Yudenich was able to recapture Mus and Bitlis on August 24. 0-7172-0133-3
Encyclopedia Americana International Edition. Danbury, Connecticut: Grolier. 1970. p. 299. To the south, the Turkish Second Army took Mus and Bitlis in mid-August, but the Russians recaptured the two towns a week later. https://books.google.com/books?id=wKtRvM5yOZ4C
Tucker, Spencer (2002). The Great War, 1914-1918. UCL Press. pp. 180–181. ISBN 1-85728-390-2. But Yudenich retook both on 24 August, whereupon both sides retired into winter 1-85728-390-2