Columbia subject headings:
Harvard subject headings:
Avvakum Petrovich, Protopope, 1620 or 1621-1682
Epifaniĭ, Slavinet͡skii, -1675.
Pustozerskiĭ sbornik.
Princeton subject headings:
Authors, Russian--To 1700--Biography.
Avvakum Petrovich, Protopope, 1620 or 1621-1682.