There is a controversy by revisionist sources about the translations into Western language (mostly English and German) of the verdicts and accounts published in newspapers. Gilles Veinstein, a professor of Ottoman and Turkish history at Collège de France estimates that the translation made by former Armenian historian Haigazn Kazarian is "highly tendentious, in several locations".[38] Turkish historians Erman Şahin and Ferudun Ata accuse Taner Akçam of mistranslations and inaccurate summaries, including the rewriting of important sentences and the addition of things not included in the original version.[39][40][41]