“THE LIFE WORK OF EGOR EGOROV”: THE FIRST RESULTS OF A SCIENTIFIC DESCRIPTION OF THE BOOK COLLECTION (Anisimova T.V. Catalogue of Slavic-Russian manuscripts from the collection of E.E. Egorov / Ed. by Yu.S. Belyankin. Moscow, Pashkov Dom, 2017. Vol. 1. 374 p.; 2019. Vol. 2. 335 p.; 2021. Vol. 3. 490 p.) | Synapse