Agricultural processing pamphlets

by George P. Bodnar, John Herron Cox, Harold E. Earp, W. M. Hurst, R. C. Miller, E. A. Back, R. T. Cotton, H. D. Young, Dorothy Nickerson, Willis B. Combs, W. P. Carroll, F. G. Smith, Raymond L. Spangler, United States. Bureau of Agricultural Economics, United States. Department of Agriculture. National Agricultural Library.