1. Restoring Pastures;Curtiss;Iowa Agr. Exp. Sta., Bul.,1896
2. The Application of Farmyard Manure to Cultivated Pastures;Ernest;(Trans. title.) Landtmannen.,1936
3. Investigations on the Effect of Fertilizing on Pastures and Meadows;Falke,1904
4. Pasture Yields and Consumption under Grazing Conditions;Fuelleman;Jour. Amer. Soc Agron.,1939
5. A Comparison of Yields and Composition of some Illinois Pasture Plants;Fuelleman;Jour. Amer. Soc. Agron.,1940