If you're interested in reading about Sophene's crucial project, and another important Armenian source on the Mongol era, you can read my review of the translation of Kirakos Gandzaketsi in the latest issue of @wasafirimag.bsky.social, 'Armenia(n)/s', here: https://www.academia.edu/125831990/REVIEW_Kirakos_Gandzaketsi_History_of_the_Armenians_Volumes_I_and_II_Robert_Bedrosian_trans_Sophene_Books_2024_