Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1915)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

A checklist of the vascular plants in Abbott Creek Research Natural Area, Oregon - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1979)

Field and computer techniques for stem analysis of coniferous forest trees - DeMars, Donald J. (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1975)

Forest and forest-land problems of southwestern Oregon - Hayes, G. L. (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, 1959)

Genetic variation and seed transfer guidelines for ponderosa pine in central Oregon - Pacific Northwest Research Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1994)

Germination, survival and early growth of conifer seedlings in two habitat types - Pacific Northwest Research Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1986)

Handbuch der Nadelholzkunde; Systematik, Beschreibung, Verwendung und Kultur der Ginkgoaceen, Freiland-Coniferen und Gnetaceen, für Gärtner. Forstleute und Botaniker - Beissner, Ludwig, 1843 -1927 (P. Parey, 1909)

Lumber yield and log values of Shasta red fir - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1963)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1941)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1941)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1941)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1949)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1984)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2007)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2007)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2010)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton Mifflin company, 1922)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton Mifflin company, 1922)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1893)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1897)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1902)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1906)

North American trees (exclusive of Mexico and tropical United States) A handbook designed for field use - Preston, Richard Joseph, 1905 - (Iowa State University Press, 1961)

Predicting the effect of fire on large-scale vegetation patterns in North America - Pacific Northwest Research Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1996)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1955)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1957)

The spruce and balsam fir trees of the Rocky Mountain region - Sudworth, George B. (George Bishop), 1864 -1927 (U.S. Dept. of Agriculture, 1916)

Timber management : a programmatic environmental analysis record for BLM-administered lands in western Oregon - United States. Bureau of Land Management. (Portland, Or, 1974)

Toxicity of herbicides on three northwestern conifers - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1961)

Understory-overstory vegetation relationships : an annotated bibliography - Clary, Warren P. (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1982)

Vegetation of Oregon and Washington - Dyrness, C. T. (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1969)

Vegetation of Oregon and Washington - Dyrness, C. T. (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1969)

Vegetation of Oregon and Washington - Dyrness, C. T. (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1969)

Vegetation of Oregon and Washington - Dyrness, C. T. (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1969)

Veitch's manual of the coniferae : containing a general review of the order, a synopsis of the species cultivated in Great Britain, their botanical history, economic properties, place and use in arboriculture, etc - James Veitch & Sons. (J. Veitch, 1900)

Veitch's manual of the coniferae : containing a general review of the order, a synopsis of the species cultivated in Great Britain, their botanical history, economic properties, place and use in arboriculture, etc - James Veitch & Sons. (James Veitch & Sons, 1900)

Volume and average stumpage price of selected species on the national forests of the Pacific Northwest Region, 1973 to 1984 - Pacific Northwest Research Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1986)