Title Letter of an unknown person to Brock Series Documents on property and correspondence of Mikhail Petrovich and Vera Nikolaevna (nee Musina-Pushkina) Vonarchlylye Fonds Vonlyarsky Mikhail Petrovich (1815-not earlier than 1868), Major General;Vladimir Mikhailovich (1852-not earlier than 1917), his son, gold miner, chairman of the board of the North-Eastern Siberian Society and others Display format Full description RUSMARC