Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1911)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1912)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1913)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1914)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1915)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1916)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1917)