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M. O'Keefe, Son & Co.'s catalogue of seeds, and guide to the flower and vegetable garden; : containing full descriptions of about fifteen hundred varieties of the choicest flower & vegetable seeds, with full directions for sowing, transplanting, &c. : Also, a list of French hybrid gladiolus, and summer flowering bulbs, : for sale by M. O'Keefe, Son & Co., seed importers, growers and florists, Ellwanger & Barry's Block, 35 State Street,–Rochester, N.Y - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Benton & Andrews, book and job printers, 29 Buffalo Street, 1869)

M. O'Keefe, Son & Co.'s seed catalogue, and guide to the flower and vegetable garden : containing full descriptions of about fifteen hundred varieties of the choicest flower and vegetable seeds : with full directions for sowing, transplanting, &c. : also, a list of French hybrid gladiolus, and summer flowering bulbs, for sale by M. O'Keefe, Son & Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Press of Benton & Andrews, 1870)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2009)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2014)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2015)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2016)

Madras Journal of Literature and Science - Madras Literary Society. (Madras Literary Society, 1837)

Madras Journal of Literature and Science - Madras Literary Society. (Madras Literary Society, 1839)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1937)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1939)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1972)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1995)

Magazin des Pflanzenreichs - Reich, Gottfried Christian, 1769 -1848 (1793)

Magasin Encyclopédique : ou journal des sciences, des lettres et des arts (1799)

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

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1844)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1845)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1846)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1860)

Major weed family identification guide - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. (United States Dept. of Agriculture, 1980)

Makers of British botany; a collection of biographies by living botanists - Oliver, Francis Wall, 1864 - (University press, 1913)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1981)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1983)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1892)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1895)

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, 1911)

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

Mammals of Panama (with thirty-nine plates) - Goldman, Edward Alphonso, 1873 -1946 (Smithsonian Institution, 1920)

Mammals of the Mexican boundary of the United States. A descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees - Mearns, Edgar Alexander, 1856 -1916 (Govt. print. off, 1907)

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)

Manual de plantas de Costa Rica - Hammel, Barry Edward, 1946 - (Missouri Botanical Garden, 2004)

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A manual flora of Madeira and the adjacent islands of Porto Santo and the Desertas - Lowe, Richard Thomas, 1802 -1874 (John Van Voorst, 1868)

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

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)