by National Agricultural Library (U.S.)

1913

by National Research Council (U.S.)

1930

by Association of State Universities and Land-Grant Colleges. Convention, American Association of Land-Grant Colleges and State Universities. Convention, Association of American Agricultural Colleges and Experiment Stations. Convention, National Association of State Universities and Land-Grant Colleges. Convention

1897

by National Research Council (U.S.)

1929

by National Pecan Association

1923

by National Fertilizer Association (1883-1887)

1884

by National Association of Retail Druggists (U.S.)

1923

by National Association of Corporation Schools (U.S.)

1914

by National Association of State Universities

1911

by National Agricultural Library (U.S.)

1900

by National Agricultural Library (U.S.)

1901

by National Fertilizer Association. (1893-1925) Soil Improvement Committee

1911