On the work of combiners, drivers on threshers, tractor drivers and driver in the harvesting company: a report on the regional r...

On the work of combiners, drivers on threshing grounds, tractor drivers and driver in the harvesting company: a report on the regional rally of combiners, driver and driver, July 15 - 16, 1935 / Kondratyev S. - 1935. -.Electronic copy source: Omsk Gonb