- Barrett, O. W. 1908. Cacao pests of Trinidad, with notes upon miscellaneous crops. Agricultural Society of Trinidad and Tobago, Report 1908281-304.
- Barrett 1966
- Barrett, J. W., and R. P. Newman. 1974. High yields from 100 year old ponderosa pine. United States Department of Agriculture, Forest Service, Pacific Northwest Forest Experiment Station, Research Note PNW-220. 12 p.
- Barrett, W. W. 1949. Control of insects in or emerging from pulpwood stored in yards. Unpublished thesis, University of Wisconsin, Madison.
- Holroyd, J. D. S., and D. K. Barrett. 1966. The Oxford University expedition to Mexico 1965 . Oxford Exploration Club, Bulletin 14:1-12.
- Larsson, S., R. Oren, R. H. Waring, and J. W. Barrett. 1983. Attacks of mountain pine beetle as related to tree vigor of ponderosa pine . Forest Science 29:395-402.
- Jastrzembski, J., and J. Barrett. 1990. Monitoring the health of white pine in New Hampshire, 1959-1988. Pages 349-355 In Symposium on state-of-the-art methodology of forest inventory, Syracuse, New York, July 30 - August 5, 1989. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station (Portland, OR), General Technical Report PNW-263.
- Cochran, P., and J. Barrett. 1998. Thirtyfive-year growth of thinned and unthinned ponderosa pine in the Methow Valley of northern Washington. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station (Portland, OR), Research Paper PNW-RP 502. 24 pp.