- Growth intercept as an indicator of site index in natural stands of white pine in the southern Appalachians (USDA Forest Service research note SE) by Donald E Beck, 1971
- Height growth and site index curves for red alder (Research paper PNW) by Constance A Harrington, 1986
- Site index curves for northern hardwoods in northern Wisconsin and upper Michigan (USDA Forest Service research paper NC) by Willard Handy Carmean, 1978
- Site indexes for Engelmann spruce in the central Rocky Mountains (U.S. Forest Service research paper RM) by Robert R Alexander, 1967
- White pine site index for the southern forest survey (Research paper SRS) by Bernard R Parresol, 1998
- Height growth and site index curves for managed, even-aged stands of ponderosa pine in the Pacific Northwest (USDA Forest Service research paper PNW) by James W Barrett, 1978
- Dominant height growth models and site index curves for site-prepared slash pine plantations in the lower Coastal Plain of Georgia and North Florida (Research ... Plantation Management Research Co-operative) by James D Newberry, 1978
- Site index of New Jersey sweetgum stands related to soil and water-table characteristics (U.S. Forest Service research paper NE) by John J Phillips, 1963
- Polymorphic site index curves for white pine in the southern Appalachians (USDA Forest Service research paper SE) by Donald E Beck, 1971
- Predicting site index and height for selected tree species of northern Idaho (Research paper INT) by Brian M Steele, 1986
- Relations between western white pine site index and tree height of several associated species (U.S. Forest Service research paper INT) by G. H Deitschman, 1965
- Polymorphic site index curves for red fir in California and Southern Oregon (SuDoc A 13.78:PSW-206) by K. Leroy Dolph, 1991
- Estimates of site index and height growth for Douglas-fir in high-elevation forests of the Oregon-Washington Cascade Range : curves and tables for field application (SuDoc A 13.78:PNW-RP-378) by Donald J. DeMars, 1987
- Site index and height growth curves for managed, even-aged stands of Douglas-fir east of the Cascades in Oregon and Washington (Research paper PNW) by P. H Cochran, 1979
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