Materials on Petrograd statistics

Materials on the statistics of Petrograd / RSFSR.TsSU.Petrogr.Capital.Stat.the Bureau.- Petrograd: [B.I.], 1920-1925.-Plug.ext.5: Materials on the statistics of Petrograd and the Petrograd province;ext.6: materials on the statistics of Leningrad and the Leningrad province;with vol.4 Vodzag.: TsSU.Petrogr.lips.Dep.statistics..I. Leningrad provincial statistics department.II.Leningrad City Statistical Bureau. 1.Territory, power (collection).Electronic copy source: PBOriginal storage: St. Petersburg State University