Holy.Mikhail Matveev Dubkovsky.Ethnographic information about the coming of the churchyard, polysty, Kholm district.

Holy.Mikhail Matveev Dubkovsky.Ethnographic information about the coming of the churchyard, polysty, Kholm district.- 1848. -Agreement No. 24 of 02/12/2016 category 32 manuscripts of the works of members of the Russian Geographical Society and separate documents on the Pskov province, case 34..Electronic copy source: PB