This website shows several classical originally written as serials. A Farewell to Arms, The Hound of the Baskervilles, Treasure Island, Anna Karenina, A Tale of Two Cities, The Woman in White, all are on the list. War and Peace was done this way too, but is not on the list.
https://booksonthewall.com/blog/seri...brief-history/
Here is a much more extensive list on wikipedia, which includes War and Peace.
https://en.wikipedia.org/w/index.php...al_form&from=W