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, 1976)

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, 1982)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1992)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1999)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1998)

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

Wayside and woodland blossoms : a pocket guide to British wild-flowers for the country rambler - Step, Edward, 1855 -1931 (F. Warne, 1895)

Wayside and woodland blossoms; a pocket guide to British wild flowers for the country rambler - Step, Edward, 1855 -1931 (Warne, 1895)

The wayside flowers of summer : a study of the conspicuous herbaceous plants blooming upon our norther roadsides during the months of July and August - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner, 1917)

The wayside flowers of summer; a study of the conspicuous herbaceous plants blooming upon our northern roadsides during the months of July and August - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1917)

Wecko-Skrift for Låkare och Naturforskare

The weed flora of Iowa ... - Pammel, L. H. (Louis Hermann), 1862 -1931 (Iowa Geological Survey, 1913)

The weed flora of Iowa - Pammel, L. H. (Louis Hermann), 1862 -1931 (Iowa Geological Survey, 1913)

Weeds - Fletcher, James 1852 -1908 (Dept. of Agriculture, 1897)

Weeds and wild flowers : their uses, legends, and literature - Wilkinson, Caroline Catharine, Lady. (J. Van Voorst, 1858)

Weeds of farm land - Brenchley, Winifred E. (Winifred Elsie), 1883 -1953 (Longmans, 1920)

Weeds of farm land - Brenchley, Winifred E. (Winifred Elsie), 1883 -1953 (Longmans, Green and co, 1920)

The weeds of New South Wales, pt. I - Maiden, J. H. (Joseph Henry), 1859 -1925 (W.A. Gullick, Gov't. printer, 1920)

Weeds of the farm and garden - Pammel, L. H. (Louis Hermann), 1862 -1931 (Orange Judd company; [etc., etc.], 1911)

Weeds of the farm and garden - Pammel, L. H. (Louis Hermann), 1862 -1931 (Orange Judd, 1912)

Weeds that affect human health - Williams, M. Coburn. (s.n, 1980)

Weeds, trees, and herbicides : a public forest and rangeland survey - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, Forest Pest Management, 1985)

Weekly Entomologist / Altrincham (1862)

Weekly Entomologist / Altrincham (1863)

Welsh botanology ... - Davies, Hugh, Rev. 1739? -1821 (Printed for the author by W. Marchant [etc.], 1813)

Weobecný rostlinopis ili Popsani rostlin we welikém ohledu uitenych a kodliwých - Presl, Jan Svatopluk, 1791 -1849 (W kommissi u Kronbergra a Riwnáe, 1846)

Das Werden der Organismen; zur Widerlegung von Darwin's Zufallstheorie durch das Gesetz in der Entwicklung von Oscar Hertwig - Hertwig, Oscar, 1849 -1922 (G. Fischer, 1918)

Das werden der organismen zur widerlegung von Darwins zufallstheorie durch das gesetz in der entwicklung - Hertwig, Oscar, 1849 -1922 (G. Fischer, 1922)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1901)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1964)

Western naturalist - Renfrew Natural History Society. (Renfrew Natural History Society, 1972)

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)

The Whole fungus : the sexual-asexual synthesis - Kendrick, Bryce. (Published by National Museum of Natural Sciences and National Museums of Canada, 1979)

Wholesale catalogue of seeds, plants and bulbs, books, tools, requisites, fertilizers and insecticides - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1902)

Wholesale price list of requisites for florists and market gardeners - Henderson, Peter & Co. (The Company, 1902)

Wiener entomologische Monatschrift - Lederer, Julius. (In Commission bei Carl Gerold's Sohn, 1857)

Wiener entomologische Monatschrift - Lederer, Julius. (Carl Gerold's Sohn, 1861)

Wiener entomologische Monatschrift - Lederer, Julius. (Carl Gerold's Sohn, 1862)

Wiener entomologische Zeitung (E. Reitter [etc.], 1883)

Wiener entomologische Zeitung (E. Reitter [etc.], 1884)

Wiener entomologische Zeitung (E. Reitter [etc.], 1885)

Wiener entomologische Zeitung (E. Reitter [etc.], 1886)

Wiener entomologische Zeitung (E. Reitter [etc.], 1888)

Wiener entomologische Zeitung (E. Reitter [etc.], 1914)

Wiener illustrirte garten-zeitung

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1887)

Der wiesenbau, dessen theorie und praxis - Vincent, L. (Veit und comp, 1858)

Der wiesenbau in seinem ganzen umfange - Häfener, Franz. (C. Mäcken, 1847)

Wild flowers - Pratt, Anne, 1806 -1893 (Society for Promoting Christian Knowledge, 1857)

Wild flowers of New York - House, Homer D. (Homer Doliver), 1878 -1949 (University of the State of New York, 1918)

Wild flowers of New York - House, Homer D. (Homer Doliver), 1878 -1949 (The University of the state of New York, 1918)

Wild flowers of the British Isles - Adams, H. Isabel. (London Book Co. Ltd, 1910)

Wild flowers of the North American mountains - Henshaw, Julia W. (Julia Wilmotte) 1869 -1937 (R.M. McBride, 1915)

Wild flowers worth notice : a selection of some of our native plants which are most attractive from their beauty, uses, or associations - Lankester, Phebe, 1825 -1900 (D. Bogue, 1879)

Wild plants of Canada : a flora, with descriptive key of families represented - Spotton, H. B. (Henry Byron), 1844 -1933 (Gage, 1929)

Wildlife habitat requirement summaries for selected wildlife species in Alberta - Alberta. Fish; Wildlife Division. (Alberta Energy and Natural Resources, 1985)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1870)

Wilmington flora : a list of plants growing about Wilmington, North Carolina, with date of flowering. With a map of New Hanover county - Wood, Thomas Fanning, 1841 -1892 (Edwards, Broughton & Co, 1886)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1915)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1951)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1973)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1870)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1869)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1917)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1964)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1996)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2000)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2009)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2013)

Die wirtswechselnden Rostpilze : Versuch einer Gesamtdarstellung ihrer biologischen Verhältnisse - Klebahn, H. (Heinrich) (Gebrüder Borntraeger, 1904)

Die wirtswechselnden rostpilze; versuch einer gesamtdarstellung ihrer biologischen verhältnisse - Klebahn, H. (Heinrich) (Gebrüder Borntraeger, 1904)

Die wirtwechselnden Rostpilze; Versuch einer Gesamtdarstellung ihrer biologischen Verha¨ltnisse - Klebahn, H. (Heinrich) (Gebrder Borntraeger, 1904)

Wissenchaftliche ergebnisse der Schwedischen sèudpolar-expedition 1901-1903 - Nordenskjöld, Otto, 1869 -1928 (Lithographisches institut des Generalstabs, 1919)

Die wissenschaftliche Ausbildung des Apothekerlehrlings und seine Vorbereitung zum Gehülfenexamen : mit Rücksicht auf die neuesten Anforderungen - Schlickum, O. (Oscar), 1838 -1889 (Günther, 1884)

Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899 - Chun, Carl, 1852 -1914 (G. Fischer, 1908)

Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899 - Chun, Carl, 1852 -1914 (G. Fischer, 1906)

Wissenschaftliche Ergebnisse der Schwedischen Südpolar-Expedition, 1901-1903 - Nordenskjöld, Otto, 1869 -1928 (Lithographisches Institut des Generalstabs, 1908)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1894)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1899)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1909)

Wochenschrift des Vereines zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten für Gärtnerei und Pflanzenkunde - Koch, Karl, 1809 -1879 (Wiegandt & Hempel [etc.], 1870)

Wochenschrift des Vereines zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten für Gärtnerei und Pflanzenkunde - Koch, Karl, 1809 -1879 (Wiegandt & Hempel [etc.], 1872)

Woodhawk botanical survey, Fergus County, Montana, Lewistown District of the Bureau of Land Management - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1997)

The woody plants of Manhattan in their winter condition - Hitchcock, A. S. (Albert Spear), 1865 -1935 (Mercury Pub. House, 1893)

Woordenboek der Nederlandsche volksnamen van planten ; uit de gegevens, verzameld door de Commissie voor Nederlandsche Plantennamem - Heukels, Hendrik, 1854 -1936 (W. Versluys, 1907)