To the history of mining

Leo, DNOn the history of mining.- Leningrad: Publishing House of the Acad.Sciences of the USSR, 1934. -34 p.: Yl .. - (Proceedings of the Institute of anthropology and etnografiiAkad Sciences of the USSR, [T 1] Issue 2...).-On the region .: The USSR Academy of Sciences.Bibliography.in footnotes.Note..1. The area (collection).electronic copy Source: PBThe storage location of the original: MAE