[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1889)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1890)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1891)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1892)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1893)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1894)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1895)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1896)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1897)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1910)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1874)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1883)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1884)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1980)

Wilson's 15th annual price list and catalogue of fresh and reliable garden, field, and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Samuel Wilson, 1891)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2002)

Window gardening : devoted specially to the culture of flowers and ornamental plants for indoor use and parlor decoration - Williams, Henry T. (H.T. Williams, 1872)

Window gardening : devoted specially to the culture of flowers and ornamental plants for in door use and parlor decoration - Williams, Henry T. (Ladies' Floral Cabinet Co, 1884)

Window gardening. Devoted specially to the culture of flowers and ornamental plants, for indoor use and parlor decoration - Williams, Henry T. (H. T. Williams, 1878)

The Wing Seed Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wing Seed Co, 1920)

The Wing Seed Co. [catalog], Mechanicsburg, Ohio : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wing Seed Co, 1921)

Wochenschrift des Vereines zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten für Gärtnerei und Pflanzenkunde - Koch, Karl, 1809 -1879 (Wiegandt & Hempel [etc.], 1860)

Wochenschrift des Vereines zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten für Gärtnerei und Pflanzenkunde - Koch, Karl, 1809 -1879 (Wiegandt & Hempel [etc.], 1861)

Woman in science - Zahm, John Augustine, 1851 -1921 (Appleton, 1913)

Wood and garden; notes and thoughts, practical and critical, of a working amateur - Jekyll, Gertrude, 1843 -1932 (Longmans, Green, 1910)

Wood and garden; notes and thoughts, practical and critical, of a working amateur - Jekyll, Gertrude, 1843 -1932 (Longmans, Green, and co, 1910)

The Woodlands orchids described and illus. with stories of orchid collecting - Boyle, Frederick, 1841 -1914 (Macmillan, 1901)

Works - Roosevelt, Theodore, 1858 -1919 (Collier, 1897)

The world book, organized knowledge in story and picture - O'Shea, Michael Vincent, 1866 - (Quarrie, 1920)

World Checklist of Threatened Birds (1990)

World Checklist of Threatened Birds (1993)

World's choicest collection of iris and peonies for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1922)

The world's finest rhododendrons and deciduous azaleas - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irving B. Lincoln, 1951)

The world's finest rhododendrons and deciduous azaleas : 1951-1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irving B. Lincoln, 1951)

The world's finest rhododendrons and deciduous azaleas : 1955-1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irving B. Lincoln, 1955)

The world's finest rhododendrons and hardy azaleas : 1958-1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irving B. Lincoln, 1958)

The writings of John Burroughs - Burroughs, John, 1837 -1921 (Houghton, Mifflin, & co, 1895)

Year book of the Pennsylvania Horticultural Society - Pennsylvania Horticultural Society. (Pennsylvania Horticulutural Society, 1937)

Year book - Royal Colonial Institute (Great Britain) (The Institute, 1912)

A year in a Lancashire garden - Bright, Henry Arthur, 1830 -1884 (Macmillan, 1891)

The young naturalist's book of birds; anecdotes of the feathered creation - St. John, Percy Bolingbroke, 1821 -1889 (J. Rickerby, and Harvey and Darton, 1838)

Young scientist (Industrial Publication Company, 1878)

Your 1944 guide to better perennials, roses, herbs, and other ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carroll Gardens, 1944)

Your 1945 guide to better perennials, roses, herbs, and other plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carroll Gardens, 1945)

Zandbergen Bros. guide to greater tulip gardens, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Zandbergen Bros, 1930)

Zapiski Imperatorskoĭ akademīi nauk po Istoriko-filologicheskomu otdi͡elenīi͡u. Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. Classe historico-philologique. VIIIe série - Imperatorskai͡a akademīi͡a nauk (Russia). Istoriko-filologicheskoe otdi͡elenīe. (Tip Imp. akademīi nauk, 1906)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1869)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1871)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1878)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1887)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1888)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1889)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1898)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1906)

Zeitschrift fur Allgemeine Erdkunde (1860)

Zeitschrift für die gesammte Ornithologie - Madarász, Gyula, 1858 -1931 (Franklin-Verein, 1887)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1856)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1868)

Zeitschrift für Physiologie - Treviranus, Gottfried Reinhold, 1776 -1837 (1829)

Zoologica : scientific contributions of the New York Zoological Society - New York Zoological Society. (1935)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1881)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1878)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1898)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1881)

The Zoologist : a monthly journal of natural history (1872)

Zuträge zur Sammlung exotischer Schmetterlinge : bestehend in Bekundigung einzelner Fliegmuster neuer oder rarer nichteuropäischer Gattungen - Kirby, W. F. (William Forsell), 1844 -1912 (1908)

Zuträge zur Sammlung exotischer Schmettlinge [sic] : bestehend in Bekundigung einzelner Fliegmuster neuer oder rarer nichteuropäischer Gattungen - Geyer, Carl, 1802 -1899 (bey dem Verfasser zu finden, 1825)