List of Publications of the United States Department of Agriculture from January, 1926, to December, 1930, Inclusive

Auteur : Harold Pearl Sheldon, Mabel Hunt Doyle, Mary Aloysius Agnew, Thomas Ross Pirtle, Wallace Byron Grange, Wilbur Magruder Hurst, Frank Granville Grimes, Lillian M. Church

Date de publication : 1932

Éditeur : U.S. Department of Agriculture

Nombre de pages : 34