Yakovlev.Options for wedding songs collected at St. Petersburg merchant weddings ("Tales of the Russian people") collected by Sa...

Yakovlev.Options for wedding songs collected at St. Petersburg merchant weddings ("Tales of the Russian people") collected by Sakharov, vol. I, book 3, edition 3.Manuscript material.- 1841. -Agreement No. 24 of 02/12/2016 category 35 manuscript of the works of members of the Russian Geographical Society and separate documents in the Petrograd province, case 38..Electronic copy source: PB