Osipov A. I. Income farming. In Russian (ask us if in doubt)/Osipov A. I. Dokhodnoe kurovodstvo. Practical Guide to the Industrial Raising of Chickens on State and Collective Farms. From 104 figures in the text, 3rd ed., significantly expanded and reworked by the Cooperative Publishing House Life and Knowledge of 1930. 160 p. SKUalb5abc7045990491e8.