The time of the beginning of the most important field work in 1899, according to the governors

The time of the beginning of the most important field works in 1899, according to the governors.- St. Petersburg: Center.Stat.com.M-V V.Affairs, 1900. - [4], VI, 35 s.: Tab.;25 cm. - (Temperature of the Central Statistical Committee of the Ministry of the Interior; No. 46. 1900).I. Russia.Central Statistical Committee.1.Power (collection).Electronic Source: PBPlace of Storage Original: RGPU them.A.I.Herzen