TransliterationPolovtsov A.A. Polovtsev A.A. Russkiy biograficheskiy slovar'
In Englishizd. pod nablyudeniem pred. Imp. Rus. ist. o-va A. A. Polovtsova. V nalichii 24 toma./Polovtsov A.A. Polovtsev A.A. Russian Biographical Dictionary / Edited under the supervision of A. A. Polovtsov prep In Russian (ask us if in doubt)
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