Text this: A Comprehensive Study on the Onomastics of the South-Eastern Lake Onega Area. Review of: Sobolev, A. I. Russian Onomastics of Finno-Ugric Origin in the South-Eastern Obonezhye: Experience in the Reconstruction of Linguistic Interaction (Doctoral dissertation). Institute for Linguistic Studies of the RAS, St Petersburg, 2024. 446 p.