Untersuchungen zur Morphologie und Systematik der Vögel, zugleich ein Beitrag zur Anatomie der Stütz- und Bewegungsorgane - Fürbringer, Maximilian, 1846 -1920 (T. van Holkema, 1888)

Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien - Zoologisch-Botanische Gesellschaft in Wien. (Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien, 1888)

Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien - Zoologisch-Botanische Gesellschaft in Wien. (Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien, 1912)

Verhandlungen der Naturforschenden Gesellschaft in Basel - Naturforschende Gesellschaft in Basel. (Birkhäuser, 1913)

Verhandlungen der Ornithologischen Gesellschaft in Bayern - Ornithologische Gesellschaft in Bayern. (E. Reinhardt, 1909)

Verhandlungen des Botanischen Vereins für die Provinz Brandenburg - Botanischer Verein der Provinz Brandenburg. (Kommissions-Verlag von R. Gaertner, 1912)

Verhandlungen des Zoologisch-Botanischen Vereins in Wien - Zoologisch-Botanische Gesellschaft in Wien. (In Commission in W. Braumüller's Hof-Buchhandlung, 1851)

Verhandlungen des Zoologisch-Botanischen Vereins in Wien - Zoologisch-Botanische Gesellschaft in Wien. (In Commission in W. Braumüller's Hof-Buchhandlung, 1853)

Verzameling van uitlandsche en zeldzaame vogelen : benevens eenige vreemde dieren en plantgewassen : in 't engelsch naauwkeurig beschreeven en naar 't leven met kleuren afgebeeld - Catesby, Mark, 1683 -1749 (By Jan Christiaan Sepp, Boekverkooper, 1776)

Verzeichniss der in A. Schmidt's Atlas der Diatomaceenkunde : Heft 1-36 (Serie I-III) abgebildeten Arten und benannten Varietäten nebst den mit angeführten Synonymen - Schmidt, Adolf, 1812 -1899 (O.R. Reisland, 1890)

La vita degli animali : descrizioni generale del regno animale - Brehm, Alfred Edmund, 1829 -1884 (Società l'Unione Tipografico-Editrice, [1869?-], 1869)

La vita degli animali : descrizioni generale del regno animale - Brehm, Alfred Edmund, 1829 -1884 (Società l'Unione Tipografico-Editrice, [1869?-], 1870)

Vlyssis Aldrouandi patricii Bononiensis Musaeum metallicum : in libros iiii distributum - Aldrovandi, Ulisse, 1522 -1605 (Typis Io. Baptistæ Ferronij, 1648)

Vlyssis Aldrouandi patricii Bononiensis Musaeum metallicum in libros IIII distributum - Aldrovandi, Ulisse, 1522 -1605 (Typis Io. Battista Ferronij, 1648)

Vlyssis Aldrouandi philosophi, et medici Bononiensis De reliquis animalibus exanguibus libri quatuor : post mortem eius editi : nempe de mollibus, crustaceis, testaceis, et zoophytis - Aldrovandi, Ulisse, 1522 -1605 (Apud Io. Baptistam Bellagambam, 1606)

Vlyssis Aldrovandi philosophi ac medici Bononiensis historiam naturalem in gymnasio Bononiensi profitentis, Ornithologiae, hoc est, De avibus historiae libri XII ... : cum indice septendecim linguarum copiosissimo - Aldrovandi, Ulisse, 1522 -1605 (Apud Franciscum de Franciscis Senensem, 1637)

Vlyssis Aldrovandi philosophi, et medici Bononiensis De reliquis animalibus exanguibus libri quatuor - Aldrovandi, Ulisse, 1522 -1605 (Typis Jo. Baptistae Ferronij, 1642)

Die Vogel - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institut, 1913)

Die Vögel; Handbuch der systematischen Ornithologie - Reichenow, Anton, 1847 -1941 (F. Enke, 1913)

Die Vögel Afrikas - Reichenow, Anton, 1847 -1941 (J. Neumann, 1900)

Die Vögel Afrikas - Reichenow, Anton, 1847 -1941 (J. Neumann, 1901)

Die Vögel Afrikas - Reichenow, Anton, 1847 -1941 (J. Neumann, 1905)

Die Vogel Europa's : Eine systematische Übersicht der synonymen Gattungen und der einzelnen Arten nach ihrere natürluchen Verwandtschaft zusammengestellt - Selliers, Ludwig. (Kaulfuss Wit., Prandel & Comp, 1844)

Die Vogel Ost-Afrikas. Baron Carl Claus von Deer Decken's Reisen in Ost-Africa. Bd. 4 - Hartlaub, Gustav, 1814 -1900 (C.F. Winter'sche Verlagshandlung, 1870)

Vögel - Selenka, Emil, 1842 -1902 (C.F. Winter, 1893)

Der vollständige Vögelsang : Eine gründliche Anleitung alle europaischen Vögel - Brehm, L. (Ludwig), 1787 -1864 (B. Voigt, 1855)

Die vollständigste Naturgeschichte der Vögel - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig) 1793 -1879 (Expedition der Vollständigsten Naturgeschichte, 1836)

Voyage en Abyssinie : exécuté pendant les années 1839, 1840, 1841, 1842, 1843 - Richard, Achille, 1794 -1852 (Arthus Bertrand, Libraire de la Société de Géographie, rue Hautefeuille, 21, 1845)

A voyage to the islands Madera, Barbados, Nieves, S. Christophers and Jamaica : with the natural history of the herbs and trees, four-footed beasts, fishes, birds, insects, reptiles, &c. of the last of those islands; to which is prefix'd, an introduction, wherein is an account of the inhabitants, air, waters, diseases, trade, &c. of that place, with some relations concerning the neighbouring continent, and islands of America. Illustrated with figures of the things described, which have not been heretofore engraved. In large copper-plates as big as the life - Sloane, Hans, Sir, 1660 -1753 (Printed by B.M. for the author, 1725)

Wall and water gardens - Jekyll, Gertrude, 1843 -1932 ("Country life", 1906)

Wanderings and adventures in the interior of southern Africa - Steedman, Andrew. (Longman and co, 1835)

Washington garden book for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Washington Seed Co, 1931)

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, 1996)

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)

Wholesale catalogue of ground cover plants, pachysandra, English ivy, Halls honeysuckle, euonymus, Vinca Minor, wild thyme, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1931)

Wholesale list : fall 1955, spring 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Angelica Nurseries, 1955)

Wholesale price list. Bulletin no. 2 for fall season 1932 and spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1932)

Wholesale price list : bulletin no. 3 for spring season 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1932)

Wholesale price list, fall 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1933)

Wholesale price list, fall 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1934)

Wholesale price list, fall 1947 – spring 1948 : ornamental evergreens, specimen grades, lining out stock, miscellaneous items - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.G. Owen & Son, Incorporated, 1947)

Wholesale price list for nurserymen, florists and dealers : fall 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries Co, 1915)

Wholesale price list for nurserymen, florists and dealers : season 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries Co, 1916)

Wiener entomologische Zeitung (E. Reitter [etc.], 1887)

The wild garden, or the naturalization and natural grouping of hardy exotic plants with a chapter on the garden of British wild flowers - Robinson, W. (William), 1838 -1935 (J. Murray, 1894)

Wild life of the world : a descriptive survey of the geographical distribution of animals - Lydekker, Richard, 1849 -1915 (F. Warne and co, 1916)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1911)

Wilmat hollies : 1951-1952, evergreen red berried English, Chinese, American - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Wilmat Holly Co, 1951)

Wilmat hollies : 1953, evergreen red berried English, Chinese, American - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Wilmat Holly Co, 1953)

Wilmat hollies : 1954, evergreen red berried English, Chinese, American - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Wilmat Holly Co, 1954)

Wilmat hollies : 1955, evergreen red berried English - Chinese - American : descriptions and trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Wilmat Holly Co, 1956)

Wilmat hollies : 1955, evergreen red berried English - Chinese - American - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Wilmat Holly Co, 1955)

Wilmat hollies : 1956, evergreen red berried English - Chinese - American - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Wilmat Holly Co, 1956)

Wilmat hollies : 1957-58, evergreen red berried English - Chinese - American - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Wilmat Holly Co, 1957)

Wilmat hollies : 1957, evergreen red berried English - Chinese - American : descriptions and trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Wilmat Holly Co, 1957)

Wilmat hollies : 1958-59, evergreen red berried English - Chinese - American - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Wilmat Holly Co, 1958)

Wilmat hollies : English, Chinese, American : pot grown stock, transplants readily - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Wilmat Holly Co, 1950)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1955)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1964)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1975)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1979)

Der Wintergarten in der kaiserlichen königlichen Hofburg zu Wien - Antoine, Franz, 1815 -1886 (Gedruckt bei den P.P. Mechitharisten, und in der lithograpischen anstalt des Johann Rauh, 1852)

Wissenschaftliche ergebnisse der Schwedischen zoologischen expedition nach dem Kilimandjaro, dem Meru und den umgebenden Massaisteppen Deutsch-Ostafrikas 1905-1906, unter leitung von prof. dr. Yngve Sjöstedt - Sjöstedt, Yngve, 1866 - (Tryckt hos P. Palmquists aktiebolag, 1910)

Wissenschaftliche Ergebnisse der Schwedischen zoologischen Expedition nach dem Kilimandjaro, dem Meru und den umgebenden Massaisteppen Deutsch-Ostafrikas 1905-1906 - Sjöstedt, Yngve, 1866 - (Almoqvist & Wiksells, 1908)

Wissenschaftliche Ergebnisse der zweiten Deutschen Zentral-Afrika-Expedition, 1910-1911, unter Führung Adolf Friedrichs - Friedrich, Adolf Duke of Mecklenburg-Schwerin, 1873 -1969 (Klinkhardt & Biermann, 1919)

With flashlight and rifle : a record of hunting adventures and of studies in wild life in equatorial East Africa - Schillings, C. G. (Carl Georg), 1865 -1921 (Hutchinson and Co, 1906)

Woolson & Co.'s catalogue of hardy perennial plants and price list : spring and fall of 1879 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Woolson & Co, 1879)

Woolson & Co.'s descriptive catalogue of hardy perennial plants and price list : spring and fall of 1880 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Woolson & Co, 1880)

The works of John Fothergill, M.D. Member Of The Royal College Of Physicians, And Fellow Of The Royal Society, Of London; Fellow Of The Royal College Of Physicians In Edinburgh; And Corresponding Member Of The Royal Medical Society Of Paris, And Of The American Philosophical Society At Philadelphia. With some account of his life - Lettsom, John Coakley, 1744 -1815 (printed for Charles Dilly, in the Poultry, 1784)

World Checklist of Threatened Birds (1990)

World Checklist of Threatened Birds (1993)

The world's birds a simple and popular classification of the birds of the world - Finn, Frank, 1868 -1932 (Hutchinson & co, 1908)

Wylie's hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wylie Nurseries, 1923)

Wylie's hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wylie Nurseries, 1926)

[Wyman's Framingham Nurseries materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1915)

Zambezia : a general description of the valley of the Zambezi River, from its delta to the River Aroangwa, with its history, agriculture, flora, fauna, and ethnography - Maugham, R. C. F. (Reginald Charles Fulke), 1866 -1956 (J. Murray, 1910)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1853)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1854)

Zeitschrift fur Oologie und Ornithologie (H. Hocke, 1906)

Zoologica : scientific contributions of the New York Zoological Society - New York Zoological Society. (1939)

Zoological bibliography, or, Opera zoologica (Aves Press Ltd, 2012)

The Zoological journal - Sowerby, James de Carle, 1787 -1871 (W. Phillips, 1825)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1880)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1886)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1904)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1907)