Annales historico-naturales Musei Nationalis Hungarici - Horváth, Géza, 1847 -1937 (1903)

Annales historico-naturales Musei Nationalis Hungarici - Horváth, Géza, 1847 -1937 (1903)

Annales historico-naturales Musei Nationalis Hungarici - Horváth, Géza, 1847 -1937 (1903)

Annales historico-naturales Musei Nationalis Hungarici - Horváth, Géza, 1847 -1937 (1903)

Annales historico-naturales Musei Nationalis Hungarici - Horváth, Géza, 1847 -1937 (1903)

Annales historico-naturales Musei Nationalis Hungarici - Horváth, Géza, 1847 -1937 (1903)

Annales historico-naturales Musei Nationalis Hungarici - Horváth, Géza, 1847 -1937 (1903)

Archiv für Naturgeschichte (Nicolai, 1911)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1904)

Bulletin - National Institutes of Health (U.S.) (U.S. Govt. Print. Off, 1907)

Bulletin - National Institutes of Health (U.S.) (U.S. Govt. Print. Off, 1907)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc.,etc.], 1918)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc.,etc.], 1918)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc.,etc.], 1918)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc.,etc.], 1918)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc.,etc.], 1918)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc., etc.], 1918)

Fresh-water biology - Ward, Henry Baldwin, 1865 -1945 (John Wiley & sons, inc.; [etc., etc.], 1918)

Handbuch der Morphologie der wirbellosen Tiere - Lang, Arnold, 1855 -1914 (G. Fischer, 1913)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1922)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1922)

Index-catalogue of medical and veterinary zoology Authors - United States. Office of Experiment Stations. (Zoological Division, Bureau of Animal Industry, 1908)

Index-catalogue of medical and veterinary zoology Authors - United States. Office of Experiment Stations. (Zoological Division, Bureau of Animal Industry, 1908)

Index-catalogue of medical and veterinary zoology Authors - United States. Office of Experiment Stations. (Zoological Division, Bureau of Animal Industry, 1908)

Index zoologicus no. II. An alphabetical list of names of genera and subgenera proposed for use in zoology as recorded in the "Zoological record," vols. 38-47 inclusive (1901-1910) and the zoology volumes of the "International catalogue of scientific literature" annual issues 1-10, together with other names not included in previous nomenclators - Zoological Society of London. (Printed for the Society, 1912)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1906)

North American monostomes primarily from fresh water hosts - Harrah, Ezra Clarence, 1889 - (1922)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Results of the Swedish zoological expedition to Egypt and the White Nile, 1901, under the direction of L.A. Jägerskiöld - Jägerskiöld, Leonard A., 1867 -1945 (Library of the Royal University of Uppsala, 1904)

Results of the Swedish zoological expedition to Egypt and the White Nile, 1901, under the direction of L.A. Jägerskiöld - Jägerskiöld, Leonard A., 1867 -1945 (Library of the Royal University of Uppsala, 1904)

Results of the Swedish zoological expedition to Egypt and the White Nile, 1901, under the direction of L.A. Jägerskiöld - Jägerskiöld, Leonard A., 1867 -1945 (Library of the Royal University of Uppsala, 1904)

Results of the Swedish zoological expedition to Egypt and the White Nile, 1901, under the direction of L.A. Jägerskiöld - Jägerskiöld, Leonard A., 1867 -1945 (Library of the Royal University of Uppsala, 1904)

Results of the Swedish zoological expedition to Egypt and the White Nile, 1901, under the direction of L.A. Jägerskiöld - Jägerskiöld, Leonard A., 1867 -1945 (Library of the Royal University of Uppsala, 1904)

Results of the Swedish zoological expedition to Egypt and the White Nile, 1901, under the direction of L.A. Jägerskiöld - Jägerskiöld, Leonard A., 1867 -1945 (Library of the Royal University of Uppsala, 1904)

Results of the Swedish zoological expedition to Egypt and the White Nile, 1901, under the direction of L.A. Jägerskiöld - Jägerskiöld, Leonard A., 1867 -1945 (Library of the Royal University of Uppsala, 1904)

Results of the Swedish zoological expedition to Egypt and the White Nile, 1901, under the direction of L.A. Jägerskiöld - Jägerskiöld, Leonard A., 1867 -1945 (Library of the Royal University of Uppsala, 1904)

Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna - Brauer, August, 1863 -1917 (G. Fischer, 1909)

Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna - Brauer, August, 1863 -1917 (G. Fischer, 1909)

Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna - Brauer, August, 1863 -1917 (G. Fischer, 1909)

Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna - Brauer, August, 1863 -1917 (G. Fischer, 1909)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1903)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1903)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1901)

Zoologische Jahrbücher Supplementheft (Gustav Fischer, 1910)

Zoologische Jahrbücher Supplementheft (Gustav Fischer, 1910)

Zoologische Jahrbücher Supplementheft (Gustav Fischer, 1910)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1909)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1913)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1903)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1907)

Zoologisches Zentralblatt (W. Engelmann, 1909)

Zoologisches Zentralblatt (W. Engelmann, 1911)

Zoologisches Zentralblatt (W. Engelmann, 1911)

Zoologisches Zentralblatt (W. Engelmann, 1911)