P.D.Molchanov.Five folk songs recorded in the Samara province.The cover letter of N. Kozmin is applied.Manuscript material.

P.D.Molchanov.Five folk songs recorded in the Samara province.The cover letter of N. Kozmin is applied.Manuscript material.- 1907. -Agreement No. 24 of 02/12/2016 category 34 manuscripts of the works of members of the Russian Geographical Society and separate documents in the Samara province, case 31..Electronic copy source: PB