Report on the activities of the Ryazan Society of Agriculture for 1911

Report on the activities of the Ryazan Society of Agriculture for 1911.- Ryazan: lips.Type., 1912. -d.Pag.: Tab .. -Description.by regionIn KN.Also: a report on the Retack-derviz-lower agricultural school of the 1st category of the Ryazan Society of Agriculture.Ryazan: lips.a type.1912. Report on summer courses in gardening, gardening and beekeeping, former from June 1 to July 1, 1911 in the Sazenvian school of garden and garden work / [Sost.] Agronom B.N.Natalina.Ryazan: lips.a type.1911..Electronic Source: PB