Authorization

Dictionaries and encyclopedias on line http://dic.academic.ru/
Dictionaries on the site Gramota.ru http://slovari.gramota.ru/
Rubricon http://www.rubricon.com/ (chargeable resource)
Encyclopedias http://ru.wikipedia.org
Electronic textbooks of Russian Language for schoolchildren http://learning-russian.gramota.ru
Russian Language Referral Service http://spravka.gramota.ru
Mega encyclopedia of Cyril and Methodius http://mega.km.ru