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  1. 01-01-1979 A summary of cooperative projects carried out by Centro de Pesquisa Agropecuaria dos Cerrados, Planaltina, Brazil ...et.al.This is one in a series or publications designed to disseminate information concerned with international agricultural development. 40 pages, tables Cornell International...
  2. 01-01-1959 This book includes factual description of all the main groups of vascular plants. It will dispaly the procedures, general principles, and objectives of comparative morphology. (the branch of biology that deals with the form of living organisms, and with relationships between their structures.)
  3. 01-01-1990 The purpose of this publication is to provide a series of crop science experiments for use in junior high or high school biology or science classes. The experiments are intended to help teachers relate basic plant biology via demostrations and labrotory experiments.