- Akademik/Academic : Academic dictionaries and encyclopedias
- Yourdictionary.com. Slaviske ordbøker
- Russkie slovari
- Slovopedija
- Dal', Vladimir. Tolkovyj slovar' V. Dalja ON-LINE
- Ozegov - Tolkovyj slovar' Ozegova onlajn
- Vasmer, Max: Etimologiceskij slovar' russkogo jazyka