The life of inland waters; an elementary text book of fresh-water biology for American students - Needham, James G. (James George), 1868 -1957 (The Comstock Publishing Company, 1915)

The life of inland waters; an elementary text book of freshwater biology for American students - Needham, James G. (James George), 1868 -1957 (The Comstock publishing company, 1916)

The life of inland waters : an elementary text book of fresh-water biology for American students - Needham, James G. (James George), 1868 -1957 (Comstock Pub. Co, 1916)

The life of inland waters; an elementary text book of fresh-water biology for students - Needham, James G. (James George), 1868 -1957 (Comstock Publishing Co, 1937)

The life of inland waters; an elementary textbook of fresh-water biology for students - Needham, James G. (James George), 1868 -1957 (C. C. Thomas, 1930)

The life of the salmon with reference more especially to the fish in Scotland - Calderwood, W. L. (William Leadbetter), 1865 -1950 (E. Arnold, 1908)

Life, outlines of general bioloy - Thomson, J. Arthur (John Arthur), 1861 -1933 (Harper, 1900)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1843)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1850)

A list of works on North American fungi - Trelease, William, 1857 -1945 (Library of Harvard University, 1887)

A list of works on North American Fungi - Trelease, William, 1857 -1945 (Library of Harvard university, 1887)

The living plant in leaf, flower, and fruit : a popular book on botany for the general reader - Step, Edward, 1855 -1931 (Hutchinson & Co, 1904)

Living plants and their properties; a collection of essays - Arthur, Joseph Charles, 1850 -1942 (Baker and Taylor, 1898)

The lower fungi Phycomycetes - Fitzpatrick, Harry Morton, 1886 -1949 (McGraw-Hill, 1930)

A magyar halászat könyve. A Kir. magyar természettudományi társulat megbizásából - Herman, Ottó, 1835 -1914 (Kiadja A.K.M. Termeszettudományi társulat, 1887)

A magyarországi cladocerak magánrajza - Magyar Természettudományi Társulat. (Kiadja a Kir. Magyar Természettudományi Társulat, 1888)

Maintaining fishes for experimental and instructional purposes - Lewis, William M. (William Madison), 1921 - (Southern Illinois University Press, 1963)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1887)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1889)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1894)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1900)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1908)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1913)

Manual of bacteriology - Crookshank, Edgar M. (Edgar March), 1858 -1928 (H.K. Lewis, 1890)

Manual of bacteriology - Crookshank, Edgar M. (Edgar March), 1858 -1928 (Lewis, 1887)

A manual of botany - Green, J. Reynolds (Joseph Reynolds), 1848 -1914 (J. & A. Churchill, 1895)

A Manual of botany : being an introduction to the study of the structure, physiology, and classification of plants - Balfour, John Hutton, 1808 -1884 (A. and C. Black, 1875)

A manual of fish-culture : based on the methods of the United States commission of fish and fisheries, with chapters on the cultivation of oysters and frogs - United States. Bureau of Fisheries. (Govt. Print. Off, 1897)

A manual of fish-culture : based on the methods of the United States commission of fish and fisheries, with chapters on the cultivation of oysters and frogs - United States. Bureau of Fisheries. (Govt. Print. Off, 1900)

A manual of poisonous plants : chiefly of eastern North America : with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (Torch Press, 1911)

A manual of poisonous plants : chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (Torch Press, 1910)

A manual of poisonous plants : chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1911)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1911)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch press, 1911)

Manual of the New Zealand Coleoptera - Broun, Thomas. 1838 -1919 (1880)

Marine microbiology, a monograph on hydrobacteriology - ZoBell, Claude E., 1904 -1989 (Chronica Botanica Company, 1946)

Marvels of fish life as revealed by the camera - Ward, Francis (Cassell, 1912)

Marvels of fish life as revealed by the camera - Ward, Francis (Cassell and company, limited, 1911)

Mathematische und naturwissenschaftliche Berichte aus Ungarn - Magyar Tudományos Akadémia. (R. Friedländer & Sohn [etc.], 1898)

Mémoires de la Société impériale des sciences naturelles de Cherbourg - Société Imperiale des Sciences Naturelles de Cherbourg. (J.B. Baillière et fils, 1870)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1876)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1902)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1902)

Medicinisch-pharmaceutische botanik zugleich als handbuch der systematischen botanik fur botaniker, arzte und apotheker - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

Memoir of the late Alfred Smee - E. M. O. (Elizabeth Mary Odling) (G. Bell and sons, 1877)

Memoir of the late Alfred Smee, F. R. S - Odling, Elizabeth Mary (Smee), 1843 - (Bell, 1878)

Mémoires couronnés et autres mémoires publiés par l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (F. Hayez, 1875)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1953)

Memoirs - Brooklyn Botanic Garden. (The Garden, 1918)

Memoirs of the Carnegie Museum - Carnegie Institute. Board of Trustees. (Published by the authority of the Board of Trustees of the Carnegie Institute, 1922)

Memoirs of the Department of Agriculture in India. Botanical series - Agricultural Research Institute (India) (Published for the Imperial Dept. of Agriculture in India by Thacker, Spink, 1912)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 1994)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1937)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1943)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1884)

Memories of the months. Third series - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold, 1903)

Memories of the months, being pages from the notebook of a field-naturalist and antiquary - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold, 1897)

Memories of the months. Second series - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold, 1900)

The Merck/Merial manual for pet health - Kahn, Cynthia M., (Merck & Co, 2007)

Methods in plant histology - Chamberlain, Charles Joseph, 1863 -1943 (The University of Chicago press, 1924)

Methods in plant histology - Chamberlain, Charles Joseph, 1863 -1943 (The University of Chicago Press, 1915)

Methods in plant histology - Chamberlain, Charles Joseph, 1863 -1943 (University of Chicago Press, 1932)

Meyers grosses konversations-lexikon. Ein nachschlagewerk des allgemeinen wissens. 2557142MC - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1902)

Meyers Konversations-Lexikon : ein Nachschlagewerk des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1896)

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (1885)

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Verlag des Bibliographischen Instituts, 1890)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1968)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1972)

Micro-organisms and disease : an introduction into the study of specific micro-organisms - Klein, E. (Edward), 1844 -1925 (Macmillan, 1885)

Micro-organisms and disease : an introduction into the study of specific micro-organisms - Klein, E. (Edward), 1844 -1925 (Macmillan, 1884)

Micro-organisms and disease : an introduction into the study of specific micro-organisms - Klein, E. (Edward), 1844 -1925 (Macmillan, 1886)

Micro-organisms and disease : an introduction to the study of specific micro-organisms - Klein, E. (Edward), 1844 -1925 (Macmillan, 1896)

Micro-organisms and disease. An introduction to the study of specific micro-organisms - Klein, E. (Edward), 1844 -1925 (Macmillan and Co., Ltd, 1896)