Population and economy of the Voronezh province.[Vol.one]

Population and economy of the Voronezh province: Stat.Consolidated Sat./ SostVoronezh.lips.Stat.the Bureau.- Voronezh: Voronezh.Gubtatotel, 1925-1927.- 25. -.Electronic Source: PB[Vol.one].- 1925. -557 p.: Tab .. -.Alpha.decree.Tabl.: with.554-557..Electronic Source: PB