To search Ozhegov’s Russian dictionary, Zalizniak’s grammatical dictionary or Fasmer’s 4-volume etymological dictionary (separately or simultaneously) in several different encodings. Interface is complicated, but bonus is automatic linkage of word’s looked up in Zalizniak’s dictionary to a very large and detailed Soviet-era English-Russian, Russian-English dictionary. Better interface for searching the updated version of Ozhegov (Ozhegov and Shvedova) over here.
The innovative Oxford Language Dictionaries Online site offers essential language resources never before available online: fully searchable, completely comprehensive bilingual dictionaries, and unique study materials that provide extra help with learning and using an expanding range of languages.
Find up-to-date analysis, biographical information, overviews, full-text literary criticism, and reviews on more than 130,000 writers in all disciplines, from all time periods, and from around the world.
For statistics on a wide range of topics in all fields arranged A-Z (crime, demographics, children, labor, etc.) this Middlebury Libraries Statistics Guide has links to both national and international resources.