- Barger, F. 1948. Dutch elm disease carrier data . New Jersey Federation of Shade Tree Commissioners, Monthly Bulletin 21:4.
- Barger, F. 1950. New hope for the American elm; carolate, a new compound, may prove helpful in saving our elm trees from the ravages of Dutch elm disease . Flower Grower 3729, 53.
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- Barger, R. L. 1982. Research needs—engineering, utilization, economics, socioeconomics, and fire. Pages 24-28 in D. M. Shrimpton (ed.), Proceedings of the joint Canada-United States workshop on mountain pine beetle related problems in western North America. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-230. 87 p.
- Cuthbert, R. A., J. H. Barger, A. C. Lincoln, and P. A. Reed. 1973. Formulation and application of methoxychlor for elm bark beetle control. United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station, Research Paper NE-283. 6 p.
- Barger, J. H., and W. N. Cannon. 1987. Response of smaller European elm bark beetles to pruning wounds on American elm . Journal of Arboriculture 13:102-104.
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- Cannon, W. N., J. H. Barger, and D. P. Worley. 1980. Dutch elm disease control: performance and cost. United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station, Research Paper NE-457. 8 p.
- Cannon, W. N., J. H. Barger, and D. P. Worley. 1982. Dutch elm disease control: economics of girdling diseased elms to improve sanitation performance . Journal of Arboriculture 8:129-135.