Vorträge über botanische Stammesgeschichte, gehalten an der Reichsuniversität zu Leiden. Ein Lehrbuch der Pflanzensystematik - Lotsy, Johannes Paulus, 1867 -1931 (G. Fischer, 1911)

[W. R. Strong & Co. materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (W.R. Strong & Co, 1889)

Waldbau auf naturgesetzlicher Grundlage. Ein Lehr- und Handbuch - Mayr, Heinrich. (P. Parey, 1909)

Waldbau auf naturgesetzlicher Grundlange : Ein Lehr- und Handbuch - Mayr, Heinrich. (P. Parey, 1909)

Der Waldbau nach wissenschaftlicher Forschung und praktischer Erfahrung; ein Hand- und Lehrbuch - Bühler, Anton, 1848 -1920 (E. Ulmer, 1918)

Die Waldungen von Nordamerika: ihre Holzarten, deren Anbaufähigkeit und forstlicher Werth für Europa im Allgemeinen und Deutschland insbesonders. Nach im Auftrage des Kgl. Bayerischen Staatsministeriums der Finanzen unternommenen Reisen und Studien - Mayr, Heinrich. (M. Rieger, 1890)

Washington Park Arboretum bulletin - University of Washington. (Published by the Arboretum Foundation for the University of Washington, 1989)

Washington Park Arboretum bulletin - University of Washington. (Published by the Arboretum Foundation for the University of Washington, 1999)

Washington Park Arboretum bulletin - University of Washington. (Published by the Arboretum Foundation for the University of Washington, 2015)

Washington Park Arboretum bulletin - University of Washington. (Published by the Arboretum Foundation for the University of Washington, 2016)

The water relations of plants : a symposium of the British Ecological Society, London, 5-8 April 1961 - British Ecological Society. (Wiley, 1963)

Water utilization by trees, with special reference to the economic forest species of the north temperate zone - Raber, Oran, 1893 -1940 (U.S. Dept. of Agriculture, 1937)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1970)

Webster's practical forestry: a popular handbook on the rearing and growth of trees for profit or ornament - Webster, A. D. (Angus Duncan), 1855 -1931 (W. Rider & Son, Limited, 1905)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1911)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1974)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1977)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1986)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2002)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2010)

Western forest insect news : an informal letter of U. S. Department of Agriculture, Bureau of Entomology, Forest Insect Investigations - United States. Bureau of Entomology. Division of Forest Insect Investigations. (U.S. Department of Agriculture, Bureau of Entomology, Forest Insect Investigations, 1927)

Western forest insects - United States. Forest Service. (Dept. of Agriculture, Forest Service, 1977)

What England can teach us about gardening - Miller, Wilhelm, 1869 - (Doubleday, Page & company, 1911)

What may be learned from a tree - Coultas, Harland, 1817 -1877 (C. Sherman & sons, 1860)

What may be learned from a tree - Coultas, Harland, 1817 -1877 (D. Appleton & company, 1863)

What may be learned from a tree - Coultas, Harland, 1817 -1877 (D. Appleton, 1860)

What to plant, 1932 - Fancher Creek Nurseries. (Fancher Creek & Fresno Nurseries, 1932)

"When it's trees see Hagen" : complete nursery stock, pictorial landscape service - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hagen Nursery, 1949)

Wholesale catalog of Pacific coast tree & shrub seeds : for the season 19[18] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.H. Manning's Sons, 1918)

Wholesale catalog of Pacific coast tree & shrub seeds : for the season 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.H. Manning's Sons, 1922)

Wholesale catalog of Pacific coast tree & shrub seeds for the season 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.H. Manning's Sons, 1921)

Wholesale list : lining-out stock, 1939-1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coolidge Rare Plant Gardens, 1939)

Wholesale list : shrubs, trees, vines, roses, perennials, ferns, camellias, herbs, ground covers, lining-out stock, field grown ornamentals, flowering peach and fruit trees, October 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1947)

Wholesale price list, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1944)

Wholesale price list, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1945)

Wholesale price list, 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Select Nurseries, Inc, 1959)

Wholesale price list 3320 : season 1933-1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.B. Clarke & Co, 1933)

Wholesale price list 3420 : season 1934-1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.B. Clarke & Co, 1934)

Wholesale price list 3536 : season 1935-1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.B. Clarke & Co, 1935)

Wholesale price list : exclusively for nurserymen and dealers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1929)

Wholesale price list : fall 1958 - spring 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.L. Pearcy Nursery Company, 1958)

Wholesale price list : field grown stock and container stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Del Amo Nurseries, 1942)

Wholesale price list : to the trade - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nurseries, Inc, 1948)

Wholesale price list to the trade, 1931-1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nurseries, Incorporated, 1931)

Wholesale price list to the trade, 1935-1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nurseries, Incorporated, 1935)

Wholesale price list to the trade, 1938-1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nurseries, Incorporated, 1938)

Wholesale price list to the trade, 1939-1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nurseries, Incorporated, 1939)

Wholesale price list to the trade : 1950-1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nurseries, Inc, 1950)

Wholesale price list : wholesale prices for fall season, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia, 1927)

Wholesale trade-list : 1912 - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1912)

Wholesale trade-list : 1914 - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1914)

Wholesale trade list for nurserymen, florists and landscapers : season 1939, fall 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sherwood Nursery Co, 1938)

Wholesale trade list for nurserymen, florists and landscapers : season 1938, fall 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sherwood Nursery Co, 1937)

Wholesale trade-list : season of 1907-1908 - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1908)

Wholesale trade-list : season of 1909-1910 - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1909)

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1893)

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1899)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1997)

The Wind River Arboretum, 1912-1956 - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1959)

Die winterharten Nadelhölzer Mitteleuropas : ein Handbuch für Gärtner und Gartenfreunde - Schelle, Ernst. (E. Ulmer, 1909)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1904)

With the flowers and trees in California - Saunders, Charles Francis, 1859 -1941 (McBride, Nast, 1914)

Wochenschrift des Vereines zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten für Gärtnerei und Pflanzenkunde - Koch, Karl, 1809 -1879 (Wiegandt & Hempel [etc.], 1868)

The wonder of life - Thomson, J. Arthur (John Arthur), 1861 -1933 (A. Melrose, 1914)

The wonder of life - Thomson, J. Arthur (John Arthur), 1861 -1933 (A. Melrose, Ltd, 1915)

The wonder of life - Thomson, J. Arthur (John Arthur), 1861 -1933 (Henry Holt & co, 1914)

Wood; a manual of the natural history and industrial applications of the timbers of commerce - Boulger, George Simonds, 1853 -1922 (E. Arnold, 1908)

Wood and forest - Noyes, William, 1862 -1928 (The Manual arts press, 1921)

Wood and forest - Noyes, William, 1862 -1928 (The Manual arts press, 1912)

Wood and forest - Noyes, William, 1862 -1928 (Manual arts press, 1912)