1. Three poisonous vetches;Beath;Wyoming Agr. Expt. Sta. Bull. No.,1932
2. Certain poisonous plants of Wyoming activated by selenium and their association with respect to soil types. J;Beath;Am. Pharm. Assoc. Sci. Ed.,1934
3. Plants poisonous to livestock;Beath;Wyoming Agr. Expt. Sta. Bull. No.,1934
4. Selenium and other toxic minerals in soils and vegetation;Beath;Wyoming Agr. Expt. Sta. Bull. No.,1935
5. Selenium occurrence in certain soils in the United States, with a discussion of related topics;Byers;U. S. Dept. Agr. Tech. Bull. No.,1935