I have an academic background in Slavic Languages & Literatures and can answer research questions no matter how basic or advanced.
If you're looking for scholarly studies of Russian history, literature or culture, start with the CMU library catalog (Cameo), PittCat and databases such as MLA (language & literature), LLBA (linguistics), Historical Abstracts, Google Scholar, full-text journal collections such as JSTOR and Project Muse, or reference works such as Credo Reference, Literature Resource Center, or Oxford Reference Online.
See also the Russian & East European History guide by Sue Collins, CMU History Liaison.
Be sure to consult General Tips for Finding Resources in Different Languages on the Modern Languages guide home page.
Many primary sources on Russian literature and culture can be found at websites such as these: