Botany & Horticulture in 1971

Die Kulturpflanze. Band 18 by

A Glossary of Mycology: Revised Edition by Snell, Walter H., Dick, Esther A.

Rhizoctonia Solani: Biology and Pathology by

Manual of the Grasses of the United States, Volume One: Volume 1 by U. S. Dept of Agriculture, A. S. Hitchcock, Hitchcock, A. S.

Flora of the Galapagos Islands by Porter, Duncan M., Wiggins, Ira L.

Manual of the Grasses of the United States, Volume Two: Volume 2 by Hitchcock, A. S., U. S. Dept of Agriculture, A. S. Hitchcock

American Wild Flowers Coloring Book by Kennedy, Paul