The later extinct floras of North America - Newberry, J. S. (John Strong), 1822 -1892 (G.P.O, 1898)

Leçons sur la physiologie et l'anatomie comparée de l'homme et des animaux / faites à la Faculté des Sciences de Paris par H. Milne Edwards - Milne-Edwards, H. (Henri), 1800 -1885 (Librairie de Victor Masson, 1857)

Leçons sur la physiologie et l'anatomie comparée de l'homme et des animaux / faites à la Faculté des Sciences de Paris par H. Milne Edwards - Milne-Edwards, H. (Henri), 1800 -1885 (Librairie de Victor Masson, 1858)

Leeuwenhoeks werken - Leeuwenhoek, Antoni van, 1632 -1723 (1684)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Tiere : Specieller Thiel - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1890)

Lethaea geognostica oder Abbildungen und Beschreibungen der für die Gebirgs-Formationen bezeichnendsten Versteinerungen - Bronn, H. G. (Heinrich Georg), 1800 -1862 (1838)

Letters on the diseases of plants - Cobb, Nathan Augustus, 1859 -1932 (W.A. Gullick, Govt. Printer, 1897)

Lewis & Simpson Nurseries, Troutdale, Oregon - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lewis & Simpson Nurseries, 1941)

Lichenaea Africana - Stizenberger, Ernst, 1827 -1895 (In Commission bei A. & J. Köppel, 1890)

Life and letters of Alexander Goodman More, F.R.S.E., F.L.S., M.R.I.A., with selections from his zoological and botanical writings - More, Alexander Goodman, 1830 -1895 (Hodges, Figgis & co. (ltd.), 1898)

Life and letters of Alexander Goodman More, with selections from his zoological and botanical writings - More, Alexander Goodman, 1830 -1895 (Hodges, Figgis, 1898)

Life of a Scotch naturalist : Thomas Edward, associate of the Linnaean society - Smiles, Samuel, 1812 -1904 (Harper & brothers, 1877)

Life of a Scotch naturalist: Thomas Edward, associate of the Linnaean Society - Smiles, Samuel, 1812 -1904 (Harper & brothers, 1876)

Life of a Scotch naturalist, Thomas Edward, associate of the Linnean Society - Smiles, Samuel, 1812 -1904 (John Murray, 1877)

Life of a Scotch naturalist, Thomas Edward, associate of the Linnean Society - Smiles, Samuel, 1812 -1904 (J. Murray, 1876)

Life of a Scotch naturalist, Thomas Edward, associate of the Linnean Society - Smiles, Samuel, 1812 -1904 (J. Murray, 1877)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1839)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1863)

List 22-D : contains principally stock to grow on with a few good specials of various kinds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.B. Clarke, 1922)

List 7-26 : surplus list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia, 1926)

List of the British Marine invertebrate fauna - McAndrew, Robert. (Taylor and Francis, 1860)

List of the British marine invertebrate fauna. For the Dredging Committee of the British Association - McAndrew, Robert. (Taylor and Francis, 1860)

List of the shells of the Canaries in the collection of the British Museum - Gray, John Edward, 1800 -1875 (Printed by Order of the Trustees [by Taylor and Francis], 1854)

List of the specimens of Crustacea in the collection of the British Museum - British Museum (Natural History) (Printed by order of the Trustees, 1915)

List of the specimens of lepidopterous insects in the collection of the British Museum - Gray, John Edward, 1800 -1875 (Printed by order of the Trustees, 1854)

List of the specimens of lepidopterous insects in the collection of the British Museum - Gray, John Edward, 1800 -1875 (Printed by order of the Trustees, 1856)

The living world : containing descriptions of the several races of men, and all species of animals, birds, fishes, insects, etc., etc. : with numerous anecdotes, illustrative of their instincts, reasoning powers and domestic habits - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Samuel Walker & Co, 1868)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1835)

The London, Edinburgh and Dublin philosophical magazine and journal of science (Taylor & Francis, 1840)

The London journal of botany : containing figures and descriptions of such plants as recommend themselves by their novelty, rarity, history, or uses : together with botanical notices and information and and occasional portraits and memoirs of eminent botanists - Hooker, William Jackson, Sir, 1785 -1865 (H. Baillière, 1845)

Loudon's Natural History. Popular descriptions, tales and anecdotes of more than five hundred animals - Loudon, J. C. (John Claudius), 1783 -1843 (G. Bell and sons, 1889)

Lunds universitets års-skrift. Acta Universitatis Lundensis - Lunds universitet. (Universitetet, 1886)

Lunds universitets års-skrift. Acta Universitatis Lundensis - Lunds universitet. (Universitetet, 1891)

The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1934)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1994)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2008)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2015)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1849)

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1839)

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1840)

Magazine of zoology and botany - Westwood, J. O. (John Obadiah), 1805 -1893 (1837)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1904)

Malacologia - Institute of Malacology. (Institute of Malacology], 1969)

Malacologia - Institute of Malacology. (Institute of Malacology], 1993)

Malacologie mediterranéenne et littorale; ou, Description des mollusques qui vivent dans la Méditerranée ou sur le continent de l'Italie, ainsi que des coquilles qui se trouvent dans les terrains tertiaires italiens, avec des observations sur leur anatomie, leurs moeurs, leur analogie et leur gisement. Ouvrage servant de faune malacologique italienne et de complément à la Conchiologia fossile subapennina de Brocchi - Cantraine, Francois Joseph, 1801 -1868 (Impr. par A. Braulart, 1838)

Malacostraca podophthalmata Britanniae, or, Descriptions of such British species of the Linnean genus Cancer as have their eyes elevated on footstalks - Sowerby, G. B. (George Brettingham), 1812 -1884 (J. Sowerby, 1815)

Malacostraca podophthalmata Brittanniae; or, description of such British species of the Linnean genus Cancer as have their eyes elevated on footstalks - Sowerby, G. B. (George Brettingham), 1812 -1884 (Printed by B. Meredith ... ; published and sold by James Sowerby, 1875)

Malacozoaires, ou, Animaux mollusques - Blainville, H.-M. Ducrotay de (Henri-Marie Ducrotay), 1777 -1850 (Chez F.-G. Levrault, 1828)

Malakozoologische Blätter - Menke, Karl Theodor, 1791 -1861 (T. Fischer, 1880)

Die Malaria, Studien eines Zoologen - Grassi, Battista, 1854 -1925 (Fischer, 1901)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1893)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1897)

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, 1906)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1912)

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

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1914)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1917)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1922)

Manual de plantas de Costa Rica - Hammel, Barry Edward, 1946 - (Missouri Botanical Garden, 2003)

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 conchology, according to the system laid down by Lamarck, with the late improvements by De Blainville exemplified and arranged for the use of students - Wyatt, Thomas, A. M. (Harper & brothers, 1838)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1879)

Manual of conchology, structural and systematic : with illustrations of the species Second series Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1886)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1882)

Manual of conchology, structural and systematic : with illustrations of the species Second series Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1894)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1886)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1887)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1888)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1889)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1890)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1893)

Manual of conchology, structural and systematic : with illustrations of the species Second series Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1885)

A manual of marine zoology for the British Isles - Gosse, Philip Henry, 1810 -1888 (J. Van Voorst, 1855)

A manual of scientific terms, pronouncing, etymological, and explanatory, chiefly comprising terms in botany, natural history, anatomy, medicine, and veterinary science, with an appendix of specific names. Designed for the use of junior medical students, and others studying one or other of these sciences - Stormonth, James, 1824 -1882 (Maclachlan and Stewart, 1885)

Manual of the mosses of North America - Lesquereux, Léo, 1806 -1889 (S. E. Cassino and company, 1884)

Manual of the mosses of North America - Lesquereux, Léo, 1806 -1889 (Bradlee Whidden, 1895)

Manual of tropical medicine - Chalmers, Albert John, 1870 -1920 (Baillière, Tindall and Cox, 1919)

A manual of zoology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1870)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood, 1887)

A manual on window gardening - Holmes, James H. (J. H. Holmes, 1877)