1. Barry, J.W. (1996): 7th Report: National Steering Committee for Management of Seed, Cone, and Regeneration Insects, USDA Forest Service Forest Health Protection, Davis CA.
2. Barry, J.W. (1992): Predicting Spray Drift in Complex Terrain, paper #921085, 1992 International summer meeting, Amer. Soc. of Ag.Eng’rs, Charlotte, N.C.
3. Barry, J.W. (1991): Study plan: Off-Site Movement of Bt Spray Applied to Complex Forested Terrain, USDA Forest Service Forest Pest Management, Davis, CA.
4. Barry, J.W., P.A. Kenney, L.Barber, R.B. Ekblad, R.J. Dumbauld, J.E. Rafferty, H.W. Flake, and N.A. Overgaard (1982): Aerial Application to Southern Pine Seed Orchards, Data report of the Withlacoochee trials, USDA Forest Service, Southern Region Forest Pest Management, Asheville, N.C.
5. Barry, J.W. and R.B. Ekblad (1978): Deposition of insecticide drops on coniferous foliage, Trans ASAE, 21, pp 438 - 441.