Libraries of E books in Russian

Russian Ebooks: Electronic Books and Literature Online

Google Books: Russian Literature in the Public Domain

A listing of public domain Russian language literature, browsable online or downloadable in image PDF format, from the Google Book initiative. 
Vissarion Belinsky | Anton Chekhov | Gavriil Derzhavin | Fyodor Dostoyevsky | Denis Fonvizin | Nikolai Gogol | Ivan Goncharov |Aleksandr Griboyedov | Antioch Kantemir | Nikolaj Karamzin | Ivan Krylov | Mikhail Lermontov | Nikolai Leskov | Mikhail Lomonosov |Nikolai Nekrasov | Aleksandr Ostrovsky | Aleksandr Pushkin | Aleksandr Radishchev | Aleksandr Sumarokov | Leo Tolstoy | Ivan Turgenev Russian Literature is built for admirers of classic Russian literature in the English-speaking world who desire to read their favorite works in the original language. Over time the corpus has grown to include the works of all major authors from the Golden Era. When you encounter a word that you don't know, position your mouse pointer over it to see its English equivalent. For a more detailed description, click on the word. 
Fundamental Digital Library of Russian Literature and Folklore
The Fundamental Digital Library of Russian Literature and Folklore (FEB-web) is a full-text digital resource. FEB-web accumulates information in text, audio, visual, and other forms on 11th-20th-century Russian literature, Russian folklore, and the history of Russian literary scholarship and folklore studies.
Online full-text library of many classics of Russian literature in the public domain, including both prose and poetry; it also includes short biographies and portraits of the authors. 
Kulichki Library of Russian Literature
Online collection of Russian literature, and links to other resources on Russian literature. 

Maksim Moshkov's Library of Russian Literature Online
Contains fiction, politics, technical documentation, humor, history, poetry, the PCB, Russian rock, tourism, parachute jumping, philosophy, spirituality, the paranormal, etc. 

Russian Library of Classics
An extensive collection of Russian literature, in Russian for the most part, with some English translations. 
Russian Literature Online
A collection of Russian literature, for the purpose of studying and improving knowledge of the Russian language. 
Russian Virtual Library 
The Russian Virtual Library ("Russkaia Virtual'naia Biblioteka", RVB) is a non-commercial humanitarian project. RVB is an academic digital library whose aim is electronic publication of both classical and contemporary works of Russian literature on the Web and CD-ROMs. All publications are based on authentic sources and provided with academic commentaries.