Leo Tolstoy – Biography
https://www.britannica.com/biography/Leo-Tolstoy/
Although one can easily find other bios of Tolstoy on line, the biography presented in the Encyclopedia Britannica is easily one of the more comprehensive. In addition to offering detailed information about his beliefs, familial relations, and literary career, Britannica's entry on Tolstoy also contains some good notes about the reception of Tolstoy's works and their impact on later literature.
Introduction to Tolstoy's Writings
http://www.cyberspacei.com/jesusi/authors/tolstoy/Ernest_J_Simmons%20.htm#_Toc534080294
Here one may read the entirety of Ernest J. Simmons's helpful book on Tolstoy's...
