Author: Mikhail N. Pokrovskiĭ
Alternate names: M. N. Pokrovskii; Mikhail Nikolaevich Pokrovskiǐ; M. N. Pokrovskiĭ; Mikhail Nikolaevich Pokrovskiĭ; Mikhail Nikolaevich Pokrovskii
Born: 1868
Died: 1932