1. Certain poisonous plants of Wyoming activated by selenium and their association with respect to soil types;Beath;Jour. Amer. Pharm. Assoc.,1934
2. Plants poisonous to livestock;Beath;Wyoming Agric. Exp. Sta. Bull.,1934
3. Beath , O. A. H. F. Eppson C. S. Gilbert 1935 Selenium and other toxic minerals in soils and vegetation Wyoming Agric. Exp. Sta. Bull. 206
4. Selenium distribution in and seasonal variation of type vegetation occurring on seleniferous soils;Beath;Jour. Amer. Pharm. Assoc.,1937
5. Selenium in soils and vegetation associated with rocks of Permian and Triassic age;Beath;Amer. Jour. Bot.,1937