Albert P. Brodell, Charles Ellsworth Gage, Dana G. Card, Frank B. Wilkinson, Hugh W. Taylor, J. B. Hutson, J. Barnard Gibbs, J. J. Vernon, May Coult, Virginia Agricultural Experiment Station, United States. Bureau of Agricultural Economics, United States. Bureau of Agricultural Economics. Tobacco Section, J.G. Pierson & Brothers, Canada. Dominion Bureau of Statistics, Canada. Dept. of Agriculture, United States. Office of Foreign Agricultural Relations, India. Directorate of Marketing and Inspection · First published 1925
