Effects of Poisonous Plants on LivestockRichard F. Keeler, Kent R. Van Kampen, Lynn F. James · First published 2013Open the Tome
Toxicology of Plant and Fungal CompoundsRichard F. Keeler, Anthony T. Tu · First published 1991Open the Tome
An exploratory study of the needs for a public community college in an area of ten Puerto Rican municipalitiesRichard F. Keeler · First published 1963Open the Tome
