Washington Park Arboretum bulletin - University of Washington. (Published by the Arboretum Foundation for the University of Washington, 2019)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1964)

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

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1972)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1974)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1975)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1977)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1978)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1980)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1985)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1991)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1996)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1997)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2002)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2006)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2008)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2010)

Wayside and woodland trees. A pocket guide to the British sylva - Step, Edward, 1855 -1931 (F. Warne, 1907)

W.C. Hampton's catalogue of trees, shrubs, evergreens, green house and hardy plants, et., for 1871-1872 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A. W. Miller, 1872)

[W.C. Strong (Firm) materials] - W.C. Strong (Firm) (1857)

Weber 1932 planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursery Co, 1932)

Weber's guide : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursey Co, 1924)

Weber's guide : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursey Co, 1925)

Weber's guide : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursery Co. Inc, 1926)

Weber's guide : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursery Co. Inc, 1927)

Weber's guide, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursery Co, 1928)

Weber's guide, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursery Co, 1929)

Weber's guide, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursery Co, 1931)

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 weekly florists' review (Florists' Pub. Co, 1901)

The weekly florists' review (Florists' Pub. Co, 1902)

The weekly florists' review (Florists' Pub. Co, 1903)

Weller's herbaceous perennials, the most up-to-date and complete list published, strictly wholesale - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weller Nurseries Company, Inc, 1929)

The West Chester Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1932)

West Coast botany : an analytical key to the flora of the Pacific Coast in which are described over eighteen hundred species of flowering plants growing west of the Sierra Nevada and Cascade crests, from San Diego to Puget Sound - Rattan, Volney, 1840 -1915 (Whitaker & Ray, 1898)

The West Hill Nurseries [catalog] Spring 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lewis Roesch, 1918)

Westcott's Nursery Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westcott's Nursery Co, 1926)

The Western Seed Co., dealers in seeds ... field and garden seed specialists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Western Seed Co, 1927)

The Western Seed Co., field and garden seed specialists : 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Western Seed Co, 1930)

The Western Seed Co., field and garden seed specialists : 1931 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Western Seed Co, 1931)

The Western Seed Co., field and garden seed specialists : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Western Seed Co, 1929)

Westhauser Nurseries : quality plants Northern grown - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westhauser Nurseries, 1935)

The Westminster Nursery catalog for farm, city and suburban homes - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.E. Stoner, 1928)

Westover acclimated evergreens, trees, shrubs, perennials, roses, and bedding plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westover Nursery Co, 1931)

Westover acclimated stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westover Nursery Co, 1932)

What to plant - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Marshall Nurseries, 1930)

What, where, when and how to plant : concise directions for the planting and care of fruit and ornamental trees, plants, roses, shrubs, evergreens, vines and perennials : facts on four questions that everyone wants to know - Hottes, Alfred Carl, 1891 -1955 (Call's Nurseries, 1926)

White Nursery Service : phone trumansburg 196-F-2 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White Nursery Service, 1948)

Whitefly of the world : a systematic catalogue of the Aleyrodidae (Homoptera) with host plant and natural enemy data - British Museum (Natural History) (British Museum (Natural History) and Wiley, 1978)

Wholesale catalogue - Leesley Nurseries. (Leesley Nurseries, 1913)

Wholesale catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda Inc, 1931)

Wholesale catalogue : fall 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leesley Brothers Nurseries, 1911)

Wholesale catalogue of fruit, evergreen & ornamental trees, shrubs, stocks, roses, greenhouse plants, etc. for the autumn of 1872 and spring of 1873, offered for sale by John Saul, Washington, D.C - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Saul, 1873)

Wholesale catalogue of fruit, evergreen and ornamental trees, shrubs, greenhouse plants, roses, etc. for the autumn of 1883 and spring of 1884 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Saul, 1883)

Wholesale catalogue of fruit, evergreen and ornamental trees shrubs, roses, greenhouse plants, etc. for the autumn of 1880 and spring 1881 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Saul, 1880)

Wholesale catalogue of Morris Nursery Co. for the spring of 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1912)

Wholesale catalogue of Morris Nursery Co. for the spring of 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1911)

Wholesale catalogue of R.B. Parsons & Co. for fall of 1874 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Kissena Nurseries], 1874)

Wholesale catalogue of the Morris Nurseries : for the fall, 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nurseries, 1919)

Wholesale catalogue of the Morris Nurseries : for the fall, 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nurseries, 1918)

Wholesale catalogue of the Morris Nursery Co. : for the fall, 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1917)

Wholesale catalogue of the Morris Nursery Co. : for the fall of 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1913)

Wholesale catalogue of the Morris Nursery Co. : for the fall, 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1915)

Wholesale catalogue of the Morris Nursery Co. : for the fall, 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1916)

Wholesale catalogue of The Morris Nursery Co. for the fall of 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1912)

Wholesale catalogue of the Morris Nursery Co. : for the spring, 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1917)

Wholesale catalogue of the Morris Nursery Co. : for the spring, 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1914)

Wholesale catalogue of the Morris Nursery Co. : for the spring, 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1916)

Wholesale catalogue of the Morris Nursery Co. (Incorporated) sucessors to George Achelis : for the spring of 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1913)

Wholesale catalogue : spring 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leesley Brothers Nurseries, 1913)

Wholesale catalogue : spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leesley Brothers Nurseries, 1928)

Wholesale : January 1 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1902)

Wholesale list : fall, 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hiram T. Jones, 1906)

Wholesale list : fall, 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hiram T. Jones, 1908)

Wholesale list for the nursery trade ... : fall 1940 spring 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton's Hill Top Nurseries, 1941)

Wholesale list for the nursery trade : February 15, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton's Hill Top Nurseries, 1944)

Wholesale list for the nursery trade : February 25, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton's Hill Top Nurseries, 1946)

Wholesale list for the nursery trade : March 10, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton's Hill Top Nurseries, 1942)

Wholesale list for the nursery trade : October 15, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton's Hill Top Nurseries, 1941)

Wholesale list : quality nursery stock, season 1940-41 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rich & Sons Nursery, 1940)

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 list : spring 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton's Hill Top Nurseries, 1943)

Wholesale list, spring 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richards Gardens, 1943)

Wholesale only Spring 1959 list no. 2 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.V. Bailey Nurseries, 1959)

Wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.H. Skinner & Co, 1916)

Wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton's Hill Top Nurseries, 1949)

Wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walker Nurseries, 1947)

Wholesale price list Spring, 191[8] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.H. Skinner & Co, 1918)

Wholesale price list number 959A - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Monroe Nursery Co, 1959)

Wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1958)

Wholesale price list 1906-7 : ornamental trees, shrubs, herbaceous plants, climbing vines, native roses, ferns, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sackett Bros. Nurseries, 1907)

Wholesale price list, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1930)

Wholesale price list, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1931)

Wholesale price list, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1932)

Wholesale price list, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1933)

Wholesale price list, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1934)

Wholesale price list, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1935)

Wholesale price list, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1936)

Wholesale price list, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1937)

Wholesale price list, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1938)

Wholesale price list, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1939)

Wholesale price list : 1950-1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton's Hill Top Nurseries, 1950)

Wholesale price list : 1957 No. 1 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Monroe Nursery Co, 1957)

Wholesale price list : August 15, 1939 (season 1939-1940) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Wholesale Nursery Company, 1939)

Wholesale price list. evergreens, hardy shrubs, forest and shade trees, tree seedlings, vines, seeds, hardwood cuttings, hedge plants No. 1 fall 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Forest Nursery Co. Incorporated, 1936)

Wholesale price list. evergreens, hardy shrubs, forest and shade trees, tree seedlings, vines, seeds, hardwood cuttings, hedge plants No. 3, spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Forest Nursery Co. Incorporated, 1937)

Wholesale price list. evergreens, hardy shrubs, forest and shade trees, tree seedlings, vines, seeds, hardwood cuttings, hedge plants No. 2 fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Forest Nursery Co. Incorporated, 1935)

Wholesale price list : fall 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Nursery, 1911)

Wholesale price list : fall 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Nursery, 1912)

Wholesale price list : fall 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Napervlle Nurseries, 1914)

Wholesale price list : fall, 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.H. Skinner & Co, 1915)

Wholesale price list : fall 1925 - spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Nursery, 1925)

Wholesale price list : fall 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1926)

Wholesale price list : fall 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Nursery Co, 1926)

Wholesale price list : fall 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1927)

Wholesale price list : fall 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1928)

Wholesale price list : fall 1929 - spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (DeBaun & Co, 1929)

Wholesale price list : fall, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1931)

Wholesale price list : fall 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wood-Howell Nurseries, 1934)

Wholesale price list, fall 1936 - spring 1937 : trees, shrubs, vines, evergreens, bulbs, fruit trees, lining out stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Boyd Nursery Co, 1936)

Wholesale price list, fall 1939 : September 15th, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bryant's Nurseries, 1939)

Wholesale price list, fall 1940 : September 12th, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bryant's Nurseries, 1940)

Wholesale price list, fall 1941 : September 18, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bryant's Nurseries, 1941)

Wholesale price list, fall 1942 : September 15, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bryant's Nurseries, 1942)

Wholesale price list, fall 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bryant's Nurseries, 1943)

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

Wholesale price list, fall 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1951)

Wholesale price list : fall 1951 - spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton's Hill Top Nurseries, 1951)

Wholesale price list, fall 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1952)

Wholesale price list : fall 1952, spring 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.R. Burr & Co., Inc, 1952)

Wholesale price list : fall 1953 – spring 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.L. Pearcy Nursery Co, 1953)

Wholesale price list : fall 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1955)

Wholesale price list : fall 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1957)

Wholesale price list : fall 1959, spring 1960 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1959)

Wholesale price list : fall of 55 and spring of 56 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton's Hill Top Nurseries, 1955)

Wholesale price list : February 10, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1940)

Wholesale price list : field transplants, evergreens, deciduous trees, shrubs, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jenkins Nurseries, 1943)

Wholesale price list : finished - shrubs, shade trees, fruit trees, evergreens and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burton's Hill Top Nurseries, 1948)

Wholesale price list for fall (1916) planting and reservation for spring 1917 : trees, shrubs, everything worth planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1916)

Wholesale price list for spring 195 : lining out stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens, 1959)

Wholesale price list for the trade for fall 1934 and spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orenco Nursery Company, 1934)

Wholesale price list for the trade for fall 1935 and spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orenco Nursery Company, 1935)

Wholesale price list for the trade for fall 1939 and spring 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orenco Nursery Company, 1939)

Wholesale price list for the trade (nurserymen and legitimate dealers only) for fall 1938 and spring 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orenco Nursery Co, 1938)

Wholesale price list for the trade (nurserymen and legitimate dealers only) for fall 1937 and spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orenco Nursery Co, 1937)