This article analyzes the correspondence that had passed between a prominent Pskov scientist - botanist, phenologist, local historian - E.I. Ispolatov, and B.A. Koishevski, the then History of Material Culture State Academy trainee, a member of the Paleoetnological expedition, engaged in collection and systematiza- tion of information about archaeological sites of the North-West of RFSRS, found in the archives of History of Material Culture Institute of RAS. In his letters E. I. Ispo- latov tells about his excavations of the ancient burial mounds near the village Seltso of Gdov region (St. Petersburg Province) and about previously unknown sites of the Gdov and the Opochetsk regions. The letters also contain interesting information about the scientist’s life in exile.The Appendixes reproduce the letters of E. I. Ispolatov and the excavations reg- ister.