Louis Agassiz : his life and work - Holder, Charles Frederick, 1851 -1915 (G.P. Putnam's Sons, 1893)

Lovett's guide to fruit culture : spring 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1894)

Lovett's guide to horticulture : spring 1892 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1892)

Lovett's guide to horticulture : spring 1895 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lovett Co, 1896)

Lovett's illustrated catalogue : bulbs trees plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lovett Co, 1895)

Lovett's illustrated catalogue of trees and plants for autumn, 1887 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1887)

The lower Eocene floras of southeastern North America - Berry, Edward Wilber, 1875 -1945 (Govt. Print. Off, 1916)

The Lower Tertiary floras of southern England - British Museum (Natural History). Department of Palaeontology. [Plants]. (1961)

The Lower Tertiary floras of southern England - British Museum (Natural History). Department of Palaeontology. [Plants]. (1964)

Luft-, Boden- und Pflanzenkunde in ihrer Anwendung auf Forstwirtschaft und Gartenbau. Für alle Freunde und Pfleger der wissenschaftlichen Botanik - Hartig, Theodor, 1805 -1880 (J.G. Cotta, 1877)

Luft-, Boden- und Pflanzenkunde in ihrer Anwendung auf Forstwirtschaft und Gartenbau - Hartig, Theodor, 1805 -1880 (Gotta, 1877)

Lunds universitets årsskrift. 2. Afd, Medicin samt matematiska och naturvetenskapliga ämmen - Lunds universitet. (Universitets], 1919)

MAB Biosphere Reserves: Site Descriptions, post compilation 5 (October 1990) - WCMC (UNESCO MAB Programme, 1992)

MAB Information System: Biosphere Reserves, Compilation 4, October 1986: Supplement September 1989 - WCMC (UNESCO, 1989)

The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1933)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1935)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1936)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1961)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1963)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1969)

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

Magazin für Insektenkunde - Illiger, Johann Karl Wilhelm, 1775 -1813 (Karl Reichard, 1807)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1851)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1855)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1856)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1837)

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)

Malacologia - Institute of Malacology. (Institute of Malacology], 1966)

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, 1904)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1911)

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

Mammals of Maryland - Paradiso, John L. (U.S. Bureau of Sport Fisheries and Wildlife; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1969)

The mammals of the Adirondack region, northeastern New York : with an introductory chapter treating of the location and boundaries of the region, its geological history, topography, climate, general features, botany, and faunal position - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Published by the author, 1884)

Man and nature; or, Physical geography as modified by human action - Marsh, George Perkins, 1801 -1882 (S. Low, son and Marston, 1864)

Management of amphibians, reptiles, and small mammals in North America : proceedings of the symposium, July 19-21, 1988, Flagstaff, Arizona - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1988)

Management of bottomland hardwoods - Southern Forest Experiment Station (New Orleans, La.) (Southern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1951)

The Manchester flora: a descriptive list of the plants growing wild within eighteen miles of Manchester, with notices of the plants commonly cultivated in gardens; preceded by an introduction to botany - Grindon, Leo H. (Leo Hartley), 1818 -1904 (W. White, 1859)

Manda's pocket garden dictionary and catalogue of everything pertaining to horticulture for 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. A. Manda, 1894)

A manual and dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (University Press, 1908)

A manual and dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (University Press, 1904)

A manual for laboratory and field studies in agriculture - Lecato, John Marvin, 1889 - ([Swan Printing & Stationery Company, 1915)

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

A manual of botany, adapted to the productions of the Southern States. In two parts: Part I.– Vegetable anatomy and physiology. Part II.– Descriptive botany, arranged on the natural system, preceded by an analysis - Darby, John, 1804 -1877 (B. F. Griffin, 1841)

A manual of botany, anatomical and physiological : for the use of students - Royal College of Physicians of Edinburgh. (W. Blackwood, 1874)

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 botany: being an introduction to the study of the structure, physiology, and classification of plants - Balfour, John Hutton, 1808 -1884 (J. J. Griffin [etc.] 1851, 1851)

Manual of botany, for North America : containing generic and specific descriptions of the indigenous plants and common cultivated exotics, growing north of the Gulf of Mexico - Eaton, Amos, 1776 -1842 (Printed by Websters and Skinners, 1829)

Manual of botany, for the Northern and Middle States of America : containing generic and specific descriptions of the indigenous plants and common cultivated exotics, growing north of Virginia ; to which are prefixed, the natural and artificial classes and orders of Linneus ; and the natural orders of Jussieu, with the medicinal properties of each order - Eaton, Amos, 1776 -1842 (Printed and published by Websters and Skinners, 1822)

A manual of botany, for the nothern and middle states of Americacontaining generic and specific descriptions of the indigenous plants and common cultivated exotics, growing north of Virginia; to which is prefixeda grammar and vocabulary; also the natural orders of linneus and jussieu, with the medicinal properties of each order - Eaton, Amos, 1776 -1842 (Websters & Skinners, 1824)

A manual of botany: including the structure, classification, properties, uses, and functions of plants - Bentley, Robert, 1821 -1893 (John Churchill and Sons, 1870)

A manual of botany including the structure, classification, properties, uses, and functions of plants - Bentley, Robert, 1821 -1893 (J & A. Churchill, 1887)

A manual of botany, including the structure, classification, properties, uses, and functions of plants - Bentley, Robert, 1821 -1893 (J & A. Churchill, 1887)

A manual of botany: including the structure, functions, classification, properties and uses of plants - Bentley, Robert, 1821 -1893 (John Churchill, 1861)

Manual of everything for the garden : 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1894)

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1907)

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1908)

Manual of gardening : a practical guide to the making of home grounds and the growing of flowers, fruits, and vegetables for home use - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan Co, 1911)

Manual of gardening; a practical guide to the making of home grounds and the growing of flowers, fruits, and vegetables for home use - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Company, 1917)

Manual of geology: treating of the principles of the science with special reference to American geological history - Dana, James Dwight, 1813 -1895 (American book company, 1880)

Manual of geology, treating of the principles of the science with special reference to American geological history - Dana, James Dwight, 1813 -1895 (Ivison, Blakeman, Taylor and Co, 1874)

Manual of geology: treating of the principles of the science with special reference to American geological history, for the use of colleges, academies, and schools of science - Dana, James Dwight, 1813 -1895 (T. Bliss, 1867)

Manual of geology, treating of the principles of the science, with special reference to American geological history, for the use of colleges, academies, and schools of science - Dana, James Dwight, 1813 -1895 (T. Bliss & co, 1863)

Manual of geology, treating of the principles of the science with special reference to American geological history - Dana, James Dwight, 1813 -1895 (American Book Co, 1896)

A manual of Indian timbers; an account of the growth, distribution, and uses of the trees and shrubs of India and Ceylon with descriptions of their wood-structure - Gamble, J. S. (James Sykes), 1847 -1925 (S. Low, Marston & co. ltd, 1902)

A manual of organic materia medica and pharmacognosy; an introduction to the study of the vegetable kingdom and the vegetable and animal drugs (with syllabus of inorganic remedial agents) comprising the botanical and physical characteristics, source, constituents, pharmacopoeial preparations, insects injurious to drugs, and pharmacal botany - Sayre, Lucius Elmer. (Blakiston, 1917)

A manual of palaeontology for the use of students with a general introduction on the principles of palaeontology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1889)

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)

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 botany of Jefferson Co - Young, A. H. (Andrew Harvey), 1852 - ([State Geologist?], 1871)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison & Phinney, 1859)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 ([s.n.], 1856)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor, & co, 1867)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison, Phinney, & co, 1862)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman & co, 1866)

A manual of the botany of the northern United States, from New England to Wisconsin and south to Ohio and Pennsylvania inclusive, (the mosses and liverworts by Wm. S. Sullivant,) arranged according to the natural system - Gray, Asa, 1810 -1888 (J. Munroe, 1848)

Manual of the botany of the northern United States : including Virginia, Kentucky, and all east of the Mississippi; arranged according to the natural system - Gray, Asa, 1810 -1888 (Ivison, 1859)

Manual of the botany of the northern United States : including Virginia, Kentucky, and all east of the Mississippi arranged according to the natural system - Gray, Asa, 1810 -1888 (Ivison & Phinney, 1859)

Manual of the botany of the northern United States : including the district east of the Mississippi and north of North Carolina and Tennessee, arranged according to the natural system - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1867)

Manual of the botany of the northern United States : including the district east of the Mississippi, and north of North Carolina and Tennessee - Coulter, John Merle, 1851 -1928 (American Book Company, 1889)

Manual of the botany of the northern United States : including the district east of the Mississippi and north of North Carolina and Tennessee - Coulter, John Merle, 1851 -1928 (American Book Company, 1889)

Manual of the botany of the northern United States. Including Virginia, Kentucky, and all east of the Mississippi: arranged according to the natural system - Gray, Asa, 1810 -1888 (G. P. Putnam & Co. [etc.], 1857)

A manual of the botany of the northern United States,from New England to Wisconsin and south to Ohio and Pennsylvania inclusive, (the mosses and liverworts by Wm. S. Sullivant,) arranged according to the natural system - Gray, Asa, 1810 -1888 (J. Munroe;London, J.Chapman, 1848)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (H. Holt, 1907)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (Holt, 1905)

Manual of the southeastern flora :being descriptions of the seed plants growing naturally in Florida, Alabama, Mississippi, eastern Louisiana, Tennessee, North Carolina, South Carolina and Georgia - Small, John Kunkel, 1869 -1938 (The author, 1933)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton Mifflin company, 1922)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1905)