- Cochran, J. E. 1972. Predisposition of root infected ponderosa pine to attack by Dendroctonus ponderosae. Unpublished thesis, University of Wyoming, Laramie.
- Fogal, W. H., J. C. Snyder, H. Baker, H. R. Cameron, L. C. Cochran, H. A. Schomer, and H. Y. Yang. 1973. Sweet cherries: production, marketing and processing. United States Department of Agriculture, Agricultural Research Service, Agriculture Handbook No. 442. ii + 94 p.
- Cochran, P., J. Geist, D. Clemens, R. Clausnitzer, and D. Powell. 1994. Suggested stocking levels for forest stands in northeastern Oregon and southeastern Washington . United States Department of Agriculture, Forest Service, Pacific Northwest Research Station (Portland, OR), Research Note PNW- 513:1-21.
- Cochran, P. 1998. Examples of mortality and reduced annual increments of white fir induced by drought, insects, and disease at different stand densities. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station (Portland, OR), Research Note PNW-RN 525. 19 pp.
- 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.
- Cochran, P., and W. Dahms. 1998. Lodgepole pine development after early spacing in the Blue Mountains of Oregon. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station (Portland, OR), Research Paper PNW-RP 498. 24 pp.