Natural fuel loadings in ponderosa pine and mixed conifer forests of the Southwest - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1979)

Natural history of the Bistcho Lake Region, Northwest Alberta - Provincial Museum of Alberta. Natural History Section. (Natural History Section, Provincial Museum of Alberta, 1988)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1923)

Naturalist's guide to the Americas - Ecological Society of America. Committee on the Preservation of Natural Conditions. (Williams & Wilkins, 1926)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 2010)

Nature in Avon - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1991)

Nature notes : Grand Teton National Park - United States. National Park Service. (United States Dept. of the Interior, National Park Service, Grand Teton National Park)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1908)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1910)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1953)

The Nebraska bird review - Nebraska Ornithologists' Union. (Nebraska Ornithologists' Union, 1971)

Nemouria; occasional papers of the Delaware Museum of Natural History - Delaware Museum of Natural History. (Delaware Museum of Natural History, 1983)

Neosho Nurseries Co., "yours for growing satisfaction" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Neosho Nurseries Co, 1932)

Neosho Nurseries Co. : "yours for growing satisfaction" [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Neosho Nurseries Co, 1931)

Neudammer Försterlehrbuch; ein Leitfaden für Unterrich und Praxis sowie ein Handbuch für den Privatwaldbesitzer. Bearb. von A. Schwappach [et al.] - Schwappach, Adam Friedrich, 1851 -1932 (J. Neumann, 1908)

Neue forstliche Blätter - Bühler, Anton, 1848 -1920 (Georg Schnürlen, 1902)

The new 1957 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Montgomery Ward, 1957)

The new 1958 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Montgomery Ward, 1958)

New crop evergreen seed : crop 1929, ready now [announcement and price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocky Mountain Evergreen and Nursery Co, 1930)

New crop seed : 1926 [announcement and price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocky Mountain Evergreen and Nursery Co, 1926)

New descriptive price list. fruit & ornamental trees, vines, plants &c. Fall 1916-spring 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.B. Watkins & Brother, 1916)

New England bulbs & flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorp'd, 1910)

New England bulbs & flowers : fall 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorporated, 1911)

New England bulbs, plants, evergreens, roses and potted strawberries : for autumn planting 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Inc, 1908)

The New England garden supplement : spring 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Inc, 1908)

The New England Nurseries Company [catalog], Bedford, Massachusetts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1915)

The New England Nurseries Company [catalog], Bedford, Massachusetts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1916)

The New England Nurseries, Incorporated : hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorporated, 1912)

New England trees & plants 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorporated, 1910)

New England trees & plants : spring 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorporated, 1911)

New England trees in winter - Blakeslee, Albert Francis, 1874 -1954 (Storrs Agricultural Experiment Station, 1911)

New illustrated descriptive catalogue of fruits, flowers and ornamental trees : grape vines, small fruits, shrubs, plants &c - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albaugh Nursery and Orchard Co, 1893)

New manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada, rearr. and extensively rev. by Benjamin Lincoln Robinson and Merritt Lyndon Fernald - Robinson, Benjamin Lincoln, 1864 -1935 (American Book Co, 1908)

New manual of botany of the central Rocky mountains (vascular plants) - Coulter, John Merle, 1851 -1928 (American Book Company, 1909)

New manual of botany of the central Rocky mountains (vascular plants) - Coulter, John Merle, 1851 -1928 (American book company, 1909)

New manual of botany of the central Rocky Mountains, vascular plants - Coulter, John Merle, 1851 -1928 (American Book Co, 1909)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2010)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2004)

New or noteworthy plants : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1925)

New pest response guidelines : Lymantriidae - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. (U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine, 2000)

New, rare and beautiful plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebrecht & Son, 1900)

New rare and beautiful plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Hill Nurseries, 1897)

News letter - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, 1934)

News letter - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, 1935)

News letter - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Manning Seed Company, 1950)

News letter : West Coast forest tree seeds collected annually - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Manning Seed Company, 1954)

Newsletter - Colorado Native Plant Society. (The Society, 1977)

Nineteen-eighteen catalogue [of] Rockmont Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1918)

Nineteen-sixteen catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1916)

Nineteen-thirteen Meehan - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1913)

Nineteen-twenty catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1920)

Ninth Great Plains Wildlife Damage Control Workshop proceedings : April 17-20, 1989, Fort Collins, Colorado - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1989)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2010)

The North American cup-fungi (inoperculates) - Seaver, Fred Jay, 1877 -1970 (1951)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1889)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1910)

North American flora - New York Botanical Garden (New York Botanical Garden, 1924)

North American flora - New York Botanical Garden (New York Botanical Garden, 1925)

North American flora - New York Botanical Garden (New York Botanical Garden, 1931)

North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1908)

North American trees; being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies; with the assistance of John Adolph Shafer - Britton, Nathaniel Lord, 1859 -1934 (Holt, 1908)

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)

North Platte River area designated (noxious) weed treatment program : environmental assessment record - United States. Bureau of Land Management. (Wyoming Department of Agriculture, 1978)

Northern grown evergreens for windbreak, forest, watershed, nursery and ornamental planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brown Company, Cupsuptic Nursery, 1937)

Northrup, King & Co.'s 25th anniversary offering of sterling seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, King & Co, 1909)

Northrup, King & Co.'s thirty-second annual catalogue [of] sterling seeds : 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, King & Co, 1916)

Northwestern pomology; a treatise on the growing and care of trees, fruits, and flowers in the Northwestern states - Gurney, C. W. (The author, 1894)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1991)

Notebooks of William Brewster - Brewster, William, 1851 -1919 (1883)

Notes from the Royal Botanic Garden, Edinburgh - Royal Botanic Garden, Edinburgh. (H. M. Stationery Off, 1909)

Notes on the flora, especially the forest flora, of the Bitter Root mountains - Pammel, L. H. (Louis Hermann), 1862 -1931 (1905)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1902)

Novelties & general catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, Inc, 1916)

Novelties a specialty - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, Inc, 1915)

Novelties and specialties - Manda, W.A., Inc. (W.A. Manda, Inc, 1915)

Novelty circular : autumn 1895 and spring 1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cherry Hill Nursery, 1896)

Now is the time to plant for new beauty in your garden next spring - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Storrs & Harrison Inc, 1940)

Now! new low prices, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (San Fernando Nursery Company, 1930)

Noxious weed and exotic vegetation management plan, Montana Fish, Wildlife and Parks, Region 1 - Montana. Parks Division. (The Region, 1994)

Nursery catalog : spring 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sioux City Seed and Nursery Co, 1908)

Nursery catalog : spring 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sioux City Seed and Nursery Co, 1909)

Nursery catalogue and price list featuring quality plants : fall 1943–spring 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walker Nurseries, 1943)

The nursery guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nordstrom Nursery Co, 1939)

The nursery guide : bulletin no. 1, January 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nordstrom Nurseries, 1945)

Nursery practice for trees and shrubs suitable for planting on the prairie-plains - Engstrom, H. E. (Harold Edwin), 1909 - (U.S. Dept. of Agriculture, 1941)

Nursery propagation of woody and herbaceous perennials for the Prairie Provinces - Canada. Agriculture Canada (Communications Branch, Agriculture Canada, 1982)

Nursery retail price list fall 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.H. Burton, 1956)

Nursery stock and commercial forest planting, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin Forestry Co, 1931)

Nursery stock and commercial forest planting, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin Forestry Co, 1932)

[Nursery stock brokerage list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1928)

Nursery stock of distinction, complete landscape department : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1943)

Nursery stock of distinction, complete landscape department : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1947)

Nursery stock of distinction, complete landscape department : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1948)

Nursery stock of distinction, complete landscape department - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1938)

Nursery stock of distinction, complete landscape department - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1940)

[Nursery stock price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cora Lee Young Nursery, 1929)

Nursery stock price list, December, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Long-Bell Lumber Company, 1933)

Nursery stock, spring-fall 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1932)

Die Nutzhölzer der Vereinigten Staaten, ihre Handels- und Lokalbezeichnungen, botanischen Charaktere und Verbreitungs- gebiete. Speziell für den Holzhandel bearb - Rattinger, Karl K (Forstbüro Silva, 1910)

Oak Park Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oak Park Nurseries, 1948)

Oak Park Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oak Park Nurseries, 1947)

Occasional paper - Entomological Society of British Columbia (The Society, 1951)

Occasional papers - Texas Tech University. Museum, (The Museum, 2003)

O.D. Shields & Co., proprietors of the Colorado Nursery Co., Loveland Colorado : collectors of Rocky Mountain tree and flower seeds and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.D. Shields & Co, 1896)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1907)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1909)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1918)

Ogden Nurseries, Incorporated, Aurora, Illinois - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ogden Nurseries, Incorporated, 1937)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1939)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1902)

Opportunities for timber management and wood utilization of the mixed conifer type in Arizona and New Mexico - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1984)

Orchard and garden (J.T. Lovett, 1889)

Orchard and garden book, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1936)

Orchids, stove and greenhouse plants : select nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Company, 1913)

Oriental seeds, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oriental Seed Co, 1931)

Oriental seeds, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oriental Seed Co, 1932)

Ornamental and fruit trees, shrubs, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Wragg & Sons Co, 1907)

Ornamental and fruit trees, shrubs, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Wragg & Sons Co, 1900)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1908)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1912)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1916)

Ornamental plants for immediate effects : for the autumn of 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1937)

Ornamental plants for immediate effects for the autumn of 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1938)

Ornamental plants for immediate effects for the spring of 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1938)

Ornamental plants for pleasing landscape effects : price list for Autumn 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1939)

Ornamental plants for pleasing landscape effects : price-list for spring 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1940)

Ornamental trees & plants : no. 2 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1901)

Ornamental trees and plants for home grounds and other landscape gardening, fruit trees for commercial orchards and home gardens : No. 127 price list, fall 1927-spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz' Sons & Co, 1927)

Ornamental trees and shrubs price list : spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph B. Gable, 1930)

Ornamental trees and shrubs price list : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph B. Gable, 1931)

Ornamental trees, plants, shrubs, vines, etc. : fruit trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Samuel C. Moon, 1896)

Ornamental trees, shrubs, and woody climbers - Macoun, W. T. (William Tyrrell), 1869 -1933 (Canada Dept. of Agriculture, 1927)

Ornamental trees, shrubs, evergreens, roses : vines, water lilies, fruit trees, small fruits, herbaceous plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.S. Peterson & Sons, 1909)

Ornamental trees, shrubs, vines and perennial plants, flowering bulbs, roses, fruit trees, small fruits, landscape service - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (James J. McManmon, 1916)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1905)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1894)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1905)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1909)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1910)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1916)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1915)

Our 1924 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Drumm Seed and Floral Co, 1924)

Our catalog : 1915-1928, service, quality, fair prices since 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swedberg Nursery Co, 1928)

Our wholesale offering : fall 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens, 1936)

Our wild birds - Morris, Robert Oliver, 1846 -1925 (1901)

Outdoor beauty for your home - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs & Sons, 1928)

Outdoor beauty for your home [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Call's Nurseries, 1930)

Outdoor beauty for your home [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Call's Nurseries, 1929)

Oxford gardens, based upon Daubeny's Popular guide to the physick garden of Oxford: with notes on the gardens of the colleges and on the University park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker & son; [etc., etc.], 1912)

Oxford gardens. Based upon Daubeny's Popular guide to the physick garden of Oxford : with notes on the gardens of the colleges and on the University Park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker, 1912)

Pacific Northwest ecoclass codes for plant associations - Hall, Frederick C. (USDA, Forest Service, Pacific Northwest Region, 1988)

Palisades perennials and rock-garden plants, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1931)

Palisades perennials and rock-garden plants, 1932 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1932)

Palisades perennials and rock-garden plants, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1934)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1927)