1905 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elm City Nursery Company, 1905)

1913 catalogue and price list : wholesale and retail - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Evergreen Nursery Co, 1913)

1914 catalogue and price list : wholesale and retail - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Evergreen Nursery Co, 1914)

1915 and 1916 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nursery Company, 1915)

1915 Barteldes seeds, 48th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barteldes Seed Co, 1915)

1915 catalogue and price list : wholesale and retail - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Evergreen Nursery Co, 1915)

1915 spring price list : American-born evergreen and deciduous trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Little Tree Farms of America, 1915)

1916 and 1917 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nursery Company, 1916)

1916 spring price list : evergreen and deciduous forest, shade and ornamental trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Little Tree Farms of America, 1916)

1917 spring price list : evergreen and deciduous forest, shade and ornamental trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Little Tree Farms of America, 1917)

1918 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Newcomb & Gauss, 1918)

1921 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elm City Nursery Company, 1921)

1923 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Armstrong Nurseries, 1923)

1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elm City Nursery Company, 1925)

1926 catalogue of Rockmont Nursery including new or noteworthy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1926)

1926 spring catalogue and price list of high grade, dependable nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Louisville Nurseries, 1926)

1928 Year book & catalogue : Little Tree Farms - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Little Tree Farms, 1928)

1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tiger Nurseries, Inc, 1932)

1932 catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1932)

1933 catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1933)

1953 catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cherry Hill Nurseries, 1953)

1997 IUCN red list of threatened plants (1997)

2002 list of ecological comm[u]nities for Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2002)

50th Anniversary catalog, 1878-1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nurseries, 1928)

50th anniversary : wholesale price list, July 1958, season 1957-1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Wholesale Nursery Company, 1957)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2005)

Acta horti bergiani : Meddelanden från Kongl. Svenska Vetenskaps-Akademiens Trädgård Bergielund - Bergianska stiftelsen. (Bergianska Stiftelsen, 1918)

Advance trade list, fall '41 - spring '42 : lining out stock our specialty - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Evergreen Nursery Co, 1941)

After fifty years : 1882-1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1932)

Agricultural use and extent of British Columbia wetlands - Van Ryswyk, A. L. (Agriculture Canada, Research Branch, 1992)

Alaska-cedar : a bibliography with abstracts - Harris, A. S. (Pacific Northwest Forest and Range Experiment Station, Institute of Northern Forestry, 1969)

Alberta birds, 1971 - 1980 - Alberta. Alberta Culture; Multiculturalism. (Natural History Section, Provincial Museum of Alberta, 1991)

Alberta plants and fungi : master species list and species group checklists - Alberta. Alberta Forestry, Lands; Wildlife. (Alberta Energy, Forestry, Lands and Wildlife, General Services Division, Editorial Services, 1992)

Alberta regeneration survey manual - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, Forest Management Branch, 2003)

Alberta vegetation species list and species group checklists - Alberta Energy/Forestry, Lands; Wildlife General Services Division. Editorial Services. (Alberta Energy/Forestry, Lands and Wildlife, 1990)

The alpine vascular flora and vegetation of Prospect Mountain, front range, Rocky Mountains, Alberta - Mortimer, Patricia R. (University of Alberta, Dept. of Botany, 1978)

The alpine vegetation of Marmot Basin, Jasper National Park, Alberta, and the impact of ski activities upon it - Hamilton, Evelyn Hope, 1954 - (University of Alberta, Dept. of Botany, 1981)

Alpines and Western America native plants : use more natives : native plant seed list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank H. Rose, 1955)

Alpines and Western America native plants : use more natives : native plant seed list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank H. Rose, 1954)

Alpines and Western America native plants : use more natives : native plant seed list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank H. Rose, 1957)

Alpines, native plants of the National Park Region collected for you - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank H. Rose, 1947)

Alpines, native plants of the National Park Region : flowers, shrubs, trees, ferns, bulbs, seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank H. Rose, 1948)

Alytes - International Society For The Study; Conservation Of Amphibians (Museum national d'histoire naturelle, 2005)

American fern journal - American Fern Society. (American Fern Society, 1994)

American fern journal - American Fern Society. (American Fern Society, 1996)

American fern journal - American Fern Society. (American Fern Society, 1997)

American fern journal - American Fern Society. (American Fern Society, 2002)

American forest trees, by Henry H. Gibson - Maxwell, Hu, 1860 -1927 (Hardwood record, 1913)

American forest trees - Maxwell, Hu, 1860 -1927 (Hardwood Record, 1913)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1896)

The American woods : exhibited by actual specimens and with copious explanatory text - Hough, Romeyn Beck, 1857 -1924 (Pub. and sections prepared by the author, 1888)

The American woods : exhibited by actual specimens and with copious explanatory text - Hough, Romeyn Beck, 1857 -1924 (Pub., and sections prepared by the author, 1910)

Andorra 1886-1936, 50 years of nation wide service - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1936)

Andorra, spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1927)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1923)

Annals of applied biology - Association of Applied Biologists. (Association of Applied Biologists [etc.], 1914)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1980)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1984)

Annals of the Entomological Society of America - Entomological Society of America (Entomological Society of America, 1917)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1972)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1976)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1984)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1987)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1980)

An annotated bibliography of the hydrology and fishery studies of the South Fork Salmon River - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1987)

An annotated list of the important North American forest insects - Britton, Wilton Everett, 1868 -1939 (s.n, 1909)

Annual report - New York (State). Forest, Fish; Game Commission. (The Commission, 1910)

Annual report - New York State Museum. (University of the State of New York, 1908)

Annual report - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (The Station, 1962)

Annual report - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (The Station, 1963)

Annual report - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (The Station, 1965)

Annual report - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (The Station, 1964)

Annual report - Entomological Society of Ontario. (The Society, 1930)

Annual report - Entomological Society of Ontario. (The Society, 1951)

Annual report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution - Smithsonian Institution. (U. S. Govt. Print. Off, 1928)

Annual report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution - Smithsonian Institution. (U. S. Govt. Print. Off, 1927)

Annual report of the Quebec Society for the Protection of Plants - Société de Québec pour la protection des plantes. (The Society, 1920)

Annual report of the State Entomologist of Montana - Montana. State Entomologist. (Avant Courier, 1904)

Annual technical report of the National Plant Materials Center - National Plant Materials Center (U.S.) (Soil Conservation Service, U.S. Dept. of Agriculture, 1981)

Annual technical report of the National Plant Materials Center - National Plant Materials Center (U.S.) (Soil Conservation Service, U.S. Dept. of Agriculture, 1979)

Apache National Forest, Arizona, New Mexico - United States. Forest Service. (U.S. Govt. print. off, 1941)

Aphids of the Rocky Mountain region, including primarily Colorado and Utah, but also a bordering area composed of southern Wyoming, southeastern Idaho and northern New Mexico - Palmer, Miriam Augusta, 1878 - (Hirschfield Press], 1952)

Appendix C., vegetation/agricultural resources of the Beal Project area - Culwell, L. Dean. (Western Technology and Engineering, 1988)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2007)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2022)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1949)

Arbres d'ornement - Canada. Agriculture Canada (Agriculture Canada, 1980)

Archiv für Naturgeschichte (Nicolai, 1895)

Areal snow cover and disposition of snowmelt runoff in central Colorado - Leaf, Charles F. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971)

Aristocrats for the garden, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, Inc, 1932)

Armillaria in the Northern Rockies : delineation of isolates into clones - Intermountain Research Station (Ogden, Utah) (U.S.D.A. Forest Service, Intermountain Research Station, 1988)

Armillaria in the northern Rockies : pathogenicity and host susceptibility on pristine and disturbed sites - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1987)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1982)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1988)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 2019)

The art of landscape architecture, its development and its application to modern landscape gardening - Parsons, Samuel, 1844 -1923 (G.P. Putnam's Sons, 1915)

The art of the second growth, or American sylviculture - Schenck, Carl Alwin, 1868 -1955 (Brandow Print. co, 1912)

The art of the second growth, or American sylviculture - Schenck, Carl Alwin, 1868 -1955 (The Brandow Printing Co, 1912)

Aspen community types of the Intermountain Region - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1988)

Aspen community types of Utah - Intermountain Research Station (Ogden, Utah) (USDA Forest Service, Intermountain Research Station, 1986)

Assessing host ranges of parasitoids and predators used for classical biological control : a guide to best practice - Van Driesche, Roy (Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2004)

Assessing the natural range of variability in minimally disturbed wetlands across the Rocky Mountains : the Rocky Mountain ReMAP project - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2012)