- Calwer, C. G. 1884. Kaferbuch Naturgeschichte der Kafer Europas Zum Handgebrauche fur Sammler Edition 4 Auflage. Gustav Jager, Stuttgart (1883).
- Hoffman, J., and C. G. Calwer. 1893. Kaferbuch Naturgeschichte der Kafer Europas Zum Handgebrauche fur Sammler Edition 5 Auflage. Gustav Stierlin, Stuttgart 1ix + 715p., 14 figs., 50 pls. pp..
- Hoffman, C. H. 1948. Mountain pine beetle control aerial dispersion of DDT. [United States Department of Agriculture?] Agricultural Research Center, Beltsville, Maryland.
- Hoffman, D. S., and R. H. Forbes. 1947. Modern chemistry controls forest insect outbreak . Chemical and Engineering News 25:2499-2500.
- Hoffman, R. W., and W. Helbig. 1981. Diastereoselektive Synthese von (-)-alpha-multistriatin . Chemische Berichte 114:2802-2807.
- Ollieu, M. M., L. E. Stipe, and J. T. Hoffman. 1980. Intermountain Region (R-4). Pages 25-29 in P. W. Orr and H. D. Brown, Forest insect and disease conditions in the United States, 1978. United States Department of Agriculture, Forest Service. vi + 83 p.
- St. George, R. A., C. H. Hoffman, and B. H. Wilford. 1946. Forest entomology, 1921-1946. Pages 31-32 in Twenty-five years of forest research at the Appalachian Forest Experiment Station, Asheville, North Carolina. Anniversary Report 1921-1946, United States Department of Agriculture, Forest Service (processed).
- Thier, R. W., and J. Hoffman. 1983. Forest insect and disease conditions, Intermountain Region, 1982. United States Department of Agriculture, Forest Service, Intermountain Region, State and Private Forestry, Odgen, Utah. 23 p.
- Hoffman, J., A. Keysor, A. Knapr, and J. Weatherby. 1987. Forest insect and disease conditions, Intermountain Region. United States Department of Agriculture, Forest Service, Intermountain Region, Ogden, Utah, Forest Pest Management Report. 22 p.
- Hoffman, J., A. Keysor, A. Knapr, and J. Weatherby. 1988. Forest insect and disease conditions, Intermountain Region, 1987. United States Department of Agriculture, Forest Service, Forest Pest Management, Intermountain Region, Ogden, Utah. 20 p.
- Knapr Andrew K., J. C. W., J. T. Hoffman, V. Kalve, and L. L. Madeline. 1989. Forest insect and disease conditions: Intermountain Region 1988. United States Department of Agriculture, Forest Service, Intermountain Region, Ogden, Utah. 31 p.
- Knapr Andrew K., J. C. W., J. T. Hoffman, V. Kalve, and L. L. Madeline. 1990. Forest insect and disease conditions: Intermountain Region. United States Department of Agriculture, Forest Service, Intermountain Region, Ogden, Utah. 38 p.
- Broadway, R., C. Gongora, W. Kain, J. Sanderson, J. Monroy, K. Bennett, J. Warner, and M. Hoffman. 1998. Novel chitinolytic enzymes with biological activity against herbivorus insects . Journal of Chemical Ecology 24:985-998.
- Haverty, M., P. Shea, J. Hoffman, J. Wenz, and K. Gibson. 1998. Effectiveness of esfenvalerate, cyfluthrin, and carbaryl in protecting individual lodgepole pines and ponderosa pines from attack by Dendroctonus spp. United States Department of Agriculture, Forest Service, Pacific Southwest Research Station (Albany, CA), Research Paper PSW-RP-237. 12 pp.
- Steele, R., R. Williams, J. Weatherby, E. Reinhardt, J. Hoffman, and R. Thier. 1996. Stand hazard rating for Central Idaho forests. United States Department of Agriculture, Forest Service, Intermountain Research Station (Ogden, UT), General Technical Report INT-GTR-332. 29 pp.