Diseases of Poultry, Leonard Pearson, Published by Clarence M. Busch, State Printer of Pennsylvania, 1897. In two parts, Diseases of Poultry and Enemies of Poultry. 750pp
Orquideas Ornamentales de Columbia, Ornamental Orchids of Colombia , Pedro Ortiz Valdivieso, Alfonso Martinez Martinez, Guillermo Misas Urreta, Carlos Valencia Editores, Bogota, 1982. Second Printing, book is in very good condition, text in both Spanish and English
Sturtevant's Notes on Edible Plants, edited by U. P. Hedrick, report of the New York Agricultural Experiment for the Year 1919 II. Albany, J. B. Lyon Company, State Printers, 1919.
The Cactaceae:Descriptions and Illustrations of Plants of the Cactus Family by N. L. Britton and J. N. Rose. In Four Volumes bound as two. Dover Publications, New York, 1963.