A symposium on human malaria, with special reference to North America and the Caribbean region - Moulton, Forest Ray, 1872 -1952 (American Association for the advancemement of Science, 1941, 1941)

A symposium on the structure of protoplasm - American Society of Plant Physiologists. (The Iowa State College Press, 1942)

Synopsis der mitteleuropaïschen flora - Graebner, Paul, 1871 -1933 (W. Engelmann, 1896)

Synopsis of animal parasitology - University of Toronto. Department of Biology. (University Press)

A synopsis of economic entomology - Lochhead, W. (s.n, 1919)

A synopsis of the mosquitoes of Illinois (Diptera, Culicidae) - Horsfall, William Robert, 1908 - (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1965)

A synoptic text-book of zoölogy, for colleges and schools - Weysse, Arthur Wisswald, 1867 - (Macmillan, 1904)

A synthesis of evolutionary theory - Ross, Herbert H. (Herbert Holdsworth), 1908 -1978 (Prentice-Hall, 1962)

System of ophthalmology - Duke-Elder, Stewart, Sir, 1898 -1978 (Mosby, 1958)

A systematic catalogue of British insects : being an attempt to arrange all the hitherto discovered indigenous insects in accordance with their natural affinities - Stephens, James Francis, 1792 -1853 (Baldwin and Cradock, 1829)

Systematische Beschreibung der bekannten europäischen zweiflügeligen Insekten - Loew, H. (Hermann), 1807 -1879 (F. W. Forstmann, 1818)

Systematische Beschreibung der bekannten europäischen zweiflügeligen Insekten - Meigen, Johann Wilhelm, 1764 -1845 (Bei Friedrich Wilhelm Forstmann : Gedrukt bei Beaufort Sohn, 1818)

Systematische Beschreibung der bekannten europäischen zweiflugeligen Insekten - Meigen, Johann Wilhelm, 1764 -1845 (s.n, 1826)

Systematische Beschreibung der bekannten europäischen zweiflugeligen Insekten - Meigen, Johann Wilhelm, 1764 -1845 (s.n, 1830)

Systematische Beschreibung der bekannten europäischen zweiflügeligen Insekten - Meigen, Johann Wilhelm, 1764 -1845 (Bei Friedrich Wilhelm Forstmann : Gedrukt bei Beaufort Sohn, 1830)

Taschenbuch der mikroskopischen Technik der Protistenuntersuchung - Prowazek, S. von Stanislaus, 1875 -1915 (Barth, 1922)

Technical series / Bureau of Entomology United States Department of Agriculture - United States. Bureau of Entomology. (Govt. print. off, 1906)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1952)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1959)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1960)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1977)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1981)

A text-book in general zoölogy - Herrick, Glenn W. (Glenn Washington), 1870 -1965 (American Book Company, 1907)

A text-book in general zoölogy - Herrick, Glenn W. (Glenn Washington), 1870 -1965 (American book company, 1922)

A text-book in general zoölogy - Linville, Henry R. (Henry Richardson), 1866 -1941 (Ginn, 1906)

A text-book of bacteriology, : a practical treatise for students and practitioners of medicine - Hiss, Philip Hanson, 1868 -1913 (D. Appleton and Co, 1910)

A text-book of bacteriology; a practical treatise for students and practitioners of medicine - Hiss, Philip Hanson, 1868 -1913 (D. Appleton and Company, 1914)

A text-book of bacteriology; a practical treatise for students and practitioners of medicine - Hiss, Philip Hanson, 1868 -1913 (D. Appleton and Company, 1918)

A text-book of bacteriology; a practical treatise for students and practitioners of medicine - Hiss, Philip Hanson, 1868 -1913 (Appleton, 1916)

Text-book of elementary zoology, for secondary educational institutions - Galloway, Thomas Walton, 1866 -1929 (Blakiston, 1910)

A text-book of field zoology; insects and their near relatives and birds - Crary, Lottie Elva, 1870 - (P. Blakiston's Son & Co, 1910)

A text-book of field zoology; insects and their near relatives and birds - Crary, Lottie Elva, 1870 - (P. Blakiston, 1911)

A text-book of general bacteriology - Jordan, Edwin O. (Edwin Oakes), 1866 -1936 (W. B. Saunders company, 1910)

Text book of veterinary medicine - Law, James, 1838 -1921 (J. Law, 1902)

Text book of veterinary medicine - Law, James, 1838 -1921 (J. Law, 1903)

Text book of veterinary medicine - Law, James, 1838 -1921 (The author, 1896)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and Co., Limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1921)

A text-book upon the pathogenic Bacteria and Protozoa for students of medicine and physicians - McFarland, Joseph, 1868 -1945 (W. B. Saunders Company, 1916)

A text-book upon the pathogenic Bacteria and Protozoa for students of medicine and physicians - McFarland, Joseph, 1868 -1945 (W. B. Saunders Company, 1919)

A text-book upon the pathogenic Bacteria and Protozoa for students of medicine and physicians - McFarland, Joseph, 1868 -1945 (W.B. Saunders company, 1915)