Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1901)

The wilderness and its tenants: a series of geographical and other essays illustrative of life in a wild country, together with experiences and observations culled from the great book of nature in many lands - Madden, John. (Simpkin, Marshall, Hamilton, Kent, & Co., ltd, 1897)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1888)

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

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 (A. Melrose, 1914)

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

The wonders of instinct - Fabre, Jean-Henri, 1823 -1915 (The Century Co, 1918)

The wonders of instinct - Fabre, Jean-Henri, 1823 -1915 (Century, 1918)

Wonders of plant life - Bastin, S. Leonard. (Cassell, 1912)

... Wonders of the plant world - Du Puy, Williams Atherton, 1876 -1941 (D.C. Heath and Company, 1931)

Works - Balfour, Francis M. (Francis Maitland), 1851 -1882 (MacMillan, 1885)

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The works of Francis Maitland Balfour - Balfour, Francis M. (Francis Maitland), 1851 -1882 (Macmillan, 1885)

Works on forestry - Brown, John Croumbie, 1808 -1895 (Oliver and Boyd; [etc., etc.], 1883)

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

The world's commercial products : a descriptive account of the economic plants of the world and of their commercial uses - Freeman, William George, 1874 - (Morang, 1907)

The world's commercial products; a descriptive account of the economic plants of the world and of their commercial uses - Wilson, Ernest Henry, 1876 -1930 (Sir I. Pitman and sons, limited, 1907)

Wörterbuch der biologie. Von dr. Heinrich Schmidt - Schmidt, Heinrich, 1874 -1935 (A. Kröner, 1912)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1894)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1895)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1896)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1897)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1898)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1899)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1902)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1904)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1905)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1906)

Yearbook of the United States Department of Agriculture - United States. Department of Agriculture. (Govt. Print. Off, 1906)

Yearbook of the United States Department of Agriculture - United States. Department of Agriculture. (G.P.O, 1895)

Yearbook of the United States Department of Agriculture - United States. Department of Agriculture. (Govt. Print. Off, 1908)

Yield, stand, and volume tables for white fir in the California pine region - Schumacher, F. X. (Francis Xavier), 1892 - (Agricultural Experiment Station, 1926)

The young collector's handbook of ants, bees, dragon-flies, earwigs, crickets, and flies (Hymenoptera, neuroptera, orthoptera, hemiptera, diptera) - Bath, W. Harcourt (William Harcourt) (Swan Sonnenschein, Lowrey & Co, 1890)

Zeitschrift für Pflanzenzüchtung - Bayerischer Saatzuchtverein. (Paul Parey, 1913)

Zeitschrift für die Entomologie (Friedrich Fleischer, 1841)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1872)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1875)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1876)

Zeitschrift für induktive Abstammungs- und Vererbungslehre (Springer-Verlag, 1908)

Zeitschrift für induktive Abstammungs- und Vererbungslehre (Springer-Verlag, 1916)

Zeitschrift für induktive Abstammungs- und Vererbungslehre (Springer-Verlag, 1817)

Zeitschrift für Naturwissenschaften - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Verlag Naturwissenschaftlichen Vereins für Sachsen und Thüringen, 1885)

Zeitschrift für Naturwissenschaften - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Verlag Naturwissenschaftlichen Vereins für Sachsen und Thüringen, 1886)

Zeitschrift für Parasitenkunde (Mauke's Verlag (Hermann Dufft), 1872)

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1891)

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1919)