1. Stafleu, F.A. and R.S. Cowan. 1979. "The making of a book: an interim report on TL-2." Taxon 28(1, 2/3): 77-86.
2. Greisbach, R.J and S.M. Berberich. 1995. "The Early History of Research on Ornamental Plants at the U.S. Department of Agriculture from 1862 to 1940." HortScience 30(3) June: 421-425
3. Barnett, C.R. 1937. "Frederick Vernon Coville - Friend of the Library: An account of his contributions to the early development of the Library's collections and bibliographical equipment in the field of botany." Agricultural Library Notes 12 (2): 95-103.
4. Atwood, A. C. 1911. "Description of the Comprehensive Catalog of Botanical Literature in the Libraries of Washington." 1911. U.S. Department of Agriculture Bulletin of Plant Industry Circular 87. 7 pp.
5. Plant Science Catalog: Botany Subject Index. Compiled by the U.S. Department of Agriculture Library. 1958. Vol. 1, Preface.
Written by NAL Staff, May 2008.