Novoselov Ivan Alekseevich.Meteorological observations made in the mountains.Torzhok from January 1, 1852 to April 1, 1853.April...

Novoselov Ivan Alekseevich.Meteorological observations made in the mountains.Torzhok from January 1, 1852 to April 1, 1853.April 4, 1853, Torzhok.- -.-04/04/1853 Agreement No. 24 of 02/12/2016 category 41 manuscripts of the works of members of the Russian Geographical Society and individual documents in the Tver province, case 37..Electronic copy source: PB