Headline of the daily Cumhuriyet dated July 13, 1930: "Cleaning started, the ones at Zeylân valley were completely annihilated, None of them survived, operation at Ağrı are continuing. Ankara 12 (With telephone) ... According to latest information, the cleaning in districts of Erciş, Mount Süphan and Zeylân was completely finished ..."
^Martin van Bruinessen, "Zaza, Alevi and Dersimi as Deliberately Embraced Ethnic Identities" in '"Aslını İnkar Eden Haramzadedir!" The Debate on the Ethnic Identity of The Kurdish Alevis' in Krisztina Kehl-Bodrogi, Barbara Kellner-Heinkele, Anke Otter-Beaujean, Syncretistic Religious Communities in the Near East: Collected Papers of the International Symposium "Alevism in Turkey and Comparable Sycretistic Religious Communities in the Near East in the Past and Present" Berlin, 14-17 April 1995, BRILL, 1997, ISBN9789004108615, p. 13.
^Martin van Bruinessen, "Zaza, Alevi and Dersimi as Deliberately Embraced Ethnic Identities" in '"Aslını İnkar Eden Haramzadedir!" The Debate on the Ethnic Identity of The Kurdish Alevis', p. 14.
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^"Der Krieg am Ararat" (Telegramm unseres Korrespondenten) Berliner Tageblatt, October 3, 1930, ... die Türken in der Gegend von Zilan 220 Dörfer zerstört und 4500 Frauen und Greise massakriert.(in German)
^Yusuf Mazhar, Cumhuriyet, 16 Temmuz 1930, ... Zilan harekatında imha edilenlerin sayısı 15.000 kadardır. Zilan Deresi ağzına kadar ceset dolmuştur...(in Turkish)