https://www.library.illinois.edu/ias/spx/slavicresearchguides/biography/genbio/
https://www.library.illinois.edu/ias/spx/slavicresearchguides/biography/emigbio2/
https://www.library.illinois.edu/ias/spx/slavicresearchguides/biography/encyc2/
https://www.library.illinois.edu/ias/spx/slavicresearchguides/biography/biodict2/
https://www.library.illinois.edu/ias/spx/slavicresearchguides/biography/slavbio2/