1. The nutrient requirements of farm livestock. No. 2. Ruminants: technical reviews,1965
2. Composition and digestibility of corn stover;Armsby;Pennsylvania Agr. Exp. Sta. Bull.,1888
3. The maintenance rations of farm animals;Armsby;USDA-BAI Bull.,1912
4. The nutrition of farm animals;Armsby,1917
5. Digestibility of corn fodder and silage;Armsby;Pennsylvania Agr. Exp. Sta. Bull.,1889