M. Abuzin.Conspiracies from diseases collected in with.Petukhov, Smerdyatsky Vol., Cherepovets district, Novgorod province.

M. Abuzin.Conspiracies from diseases collected in with.Petukhov, Smerdyatsky Vol., Cherepovets district, Novgorod province.- 1914. -Agreement No. 24 of 02/12/2016 Category 24 manuscripts of the works of members of the Russian Geographical Society and separate documents on the Novgorod province, case 75..Electronic copy source: PB