Ciesla, W. M., and W. D. Buchanan. The 1963 Survey of Elm Spanworm Defoliation in the Southern Appalachian Mountains. Atlanta, Georgia: U.S. Forest Service, 1963.

Cordell, Charles E., and W. D. Buchanan. Evaluation of the 1963 Elm Spanworm Control Project Nantahla National Froest and Great Smoky Mountains National Park. Atlanta, Georgia: U.S. Forest Service, 1963.

Flora, R. L., Astin Buchanan, and W. D. Buchanan. Preliminary Report No. 4: Balsam Woolly Aphid Detection Survey. Atlanta, GA: U.S. Forest Service, 1963.