The journal Études arméniennes contemporaines (EAC) has published a volume titled "The Massacres of the Hamidian Period (I): Global Narratives and Local Appraoches". There will be an upcoming second volume with the same theme. The current volume can be found at https://journals.openedition.org/eac/1300.
The current volume's ToC is as follows:
Boris Adjemian and Mikaël Nichanian, Rethinking the "Hamidian Massacres": the issue of the precedent