The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1915)

West American shells; a description in familiar terms of the principal marine, fresh water and land mollusks of the United States found west of the Rocky Mountains, including those of British Columbia and Alaska ... - Keep, Josiah, 1849 -1911 (The Whitaker & Ray company (incorporated), 1904)

West coast shells - Hannibal, Harold Briggs. (The Whitaker & Ray-Wiggin company, 1911)

West coast shells : a familiar description of the marine, fresh water, and land mollusks of the United States, found west of the Rocky Mountains : adapted to the use of schools, private students, tourists and all lovers of nature - Keep, Josiah, 1849 -1911 (H.S. Crocker, 1893)

West coast shells. A familiar description of the marine, fresh water and land mollusks of the United States, found west of the Rocky Mountains ... - Keep, Josiah, 1849 -1911 (Bancroft brothers & co, 1887)

West coast shells. A familiar description of the marine, fresh water, and land mollusks of United States, found west of the Rocky Mountains ... - Keep, Josiah, 1849 -1911 (S. Carson & Co, 1888)

The West-Indian marine shells : with some remarks, a manuscript printed for circulation between collectors - Krebs, Henrik Johannes, 1821 -1907 (Printed by W. Laubs widow & Chr. Jørgensen, 1864)

Western Union Telegraph List of Collections sent to the Smithsonian Institution by W. H. Dall, 1865 - Dall, William Healey, 1845 -1927 (1865)

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

Wiener entomologische Monatschrift - Lederer, Julius. (Carl Gerold's Sohn, 1860)

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

The Williams collection of shells : a brief account of the conchological cabinet of Mrs. Alice L. Williams - Chadwick, George Halcott, 1876 -1953 (1908)

Die Wirbellosen des Weissen Meeres. Erster Band : zoologische Forschungen an der Küste des Solowetzkischen Meerbusens in den Sommermonaten der Jahre 1877, 1878, 1879 und 1882 - Wagner, Nicolas. (W. Engelmann, 1885)

Wissenchaftliche ergebnisse der Schwedischen sèudpolar-expedition 1901-1903 - Nordenskjöld, Otto, 1869 -1928 (Lithographisches institut des Generalstabs, 1905)

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, 1904)

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

Wissenschaftliche Meeresuntersuchungen. Abt. Kiel - Biologische Anstalt Helgoland. (Lipsius und Tischer, 1914)

Wissenschaftliche Meeresuntersuchungen - Kommission zur wissenschaftlichen Untersuchung der deutschen Meere in Kiel. (Lipsius und Tischer [etc.], 1871)

Wissenschaftliche Meeresuntersuchungen - Kommission zur wissenschaftlichen Untersuchung der deutschen Meere in Kiel. (Lipsius und Tischer [etc.], 1873)

Wissenschaftliche Meeresuntersuchungen - Kommission zur wissenschaftlichen Untersuchung der deutschen Meere in Kiel. (Lipsius und Tischer [etc.], 1893)

Wissenschaftliche Meeresuntersuchungen - Kommission zur wissenschaftlichen Untersuchung der deutschen Meere in Kiel. (Lipsius und Tischer [etc.], 1894)

Wissenschaftliche Meersuntersuchungen. Abt. Helgoland - Biologische Anstalt Helgoland. (Lipsius und Tischer, 1900)

Wissenschaftliche Meersuntersuchungen. Abt. Helgoland - Biologische Anstalt Helgoland. (Lipsius und Tischer, 1909)

Wissenschaftliche Meersuntersuchungen. Abt. Helgoland - Biologische Anstalt Helgoland. (Lipsius und Tischer, 1915)

Wissenschaftliche Meersuntersuchungen. Abt. Helgoland - Biologische Anstalt Helgoland. (Lipsius und Tischer, 1919)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1909)

Die wissenschaftlichen Ergebnisse der Vega-Expedition - Nordenskiöld, A. E. (Adolf Erik), 1832 -1901 (Brockhaus, 1883)

Wodarch's introduction to the study of conchology : describing the orders, genera, and species of shells : with observations on the nature and properties of the animals and directions for collecting, preserving, and cleaning shells - Mawe, John, 1764 -1829 (Published by Longman, Hurst, Rees, Orme, and Browne and by J. Mawe, 1825)

Wodarch's Introduction to the study of conchology : describing the orders, genera, and species of shells : with observations on the nature and properties of the animals and directions for collecting, preserving, and cleaning shells - Mawe, John, 1764 -1829 (Longman, Rees, Orme, Brown, and Green ... 1833, 1833)

Wodarch's introduction to the study of conchology : describing the orders, genera, and species of shells : with observations on the nature and properties of the animals; and directions for collecting, preserving, and cleaning shells - Mawe, John, 1764 -1829 (Published by Longman, Rees, Orme, Brown, and Green and by S. Mawe, 1831)

Wodarch's introduction to the study of conchology : describing the orders, genera, and species of shells; with observations on the nature and properties of the animals : and directions for collecting, preserving, and cleaning shells - Mawe, John, 1764 -1829 (Published by Longman, Hurst, Rees, Orme, and Browne, and by J. Mawe, 1822)

Wodarch's introduction to the study of conchology: describing the orders, genera, and species of shells: with observations on the nature and properties of the animals; and directions for collecting, preserving, and cleaning shells - Mawe, John, 1764 -1829 (Published by Longman, Rees, Orme, Brown, and Green, ... and by J. Mawe, 1827)

Wodarch's Introduction to the study of conchology: describing the orders, genera, and species of shells: with observations on the nature and properties of the animals; and directions for collecting, preserving, and cleaning shells - Mawe, John, 1764 -1829 (Longman, Rees, Orme, Brown, and Green, 1827)

The wonders of geology; or A familiar exposition of geological phenomena - Mantell, Gideon Algernon, 1790 -1852 (H.G. Bohn, 1848)

The wonders of geology; or, A familiar exposition of geological phenomena - Mantell, Gideon Algernon, 1790 -1852 (Relfe and Fletcher, 1838)

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

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

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

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

The world before the deluge - Figuier, Louis, 1819 -1894 (Cassell, Petter & Galpin, 1872)

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

The young conchologist's book of species. Univalves. Containing descriptions of six hundred species - Hanley, Sylvanus, 1819 -1899 (J. Fraser, 1840)

The Young naturalist (1879)

The Young naturalist (1886)

The Young naturalist (1888)

Zapiski Imperatorskoĭ akademīi nauk, po Fiziko-matematicheskomu otdielenīiu. 8e série = Mémoires de lʹAcadémie impériale des sciences de St.-Pétersbourg, Classe physico-mathématique. 8e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia). Fiziko-matematicheskoe otdielenīe. (Prodaetsia u Kommissionerov Imperatorskoi Akademiia Nauk, 1915)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1849)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1850)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1851)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1852)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1853)

Zeitschrift der Deutschen Geologischen Gesellschaft. A, Abhandlungen - Deutsche Geologische Gesellschaft. (J.G. Cotta'sche Buchhandlung Nachfolger, 1916)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1854)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1856)