Milk trade pamphlets

United States. Bureau of Agricultural Economics, J. J. Vernon, H. L. Forest, O. M. Reed, Harold Newell Young, Nils Andreas Olsen, William H. Fippin, Paul Laird Miller, J. R. Hanson, G. E. Story, W. J. Tubbs, Robert James McFall, Mordecai Ezekiel, Vermont. Special Milk Investigational Committee, Edmund E. Vial, France. Ambassade (U.S.). Service d'analyse industrielle