Author Ролофс Е.А. Description Rolofs, E.A. Mnogopolye on chernozem of Tambov province / Tambov Provincial Land Management. - Tambov: Type. "Proletarian light", 1925. - [20] p. : ill., table .. - . I. Tambov provincial land management. Territory (collection). Source of electronic copy: PB Location of original storage: Tambov OUNB Publisher Тип. "Пролетарский светоч" Collections Tambov Region: pages of history → Territory → Economics. Economic geography → Agriculture