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

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1879)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1889)

Memorie del Reale Istituto Veneto di Scienze, Lettere ed Arti - Regio Istituto veneto di scienze, lettere ed arti (Venice, Italy) (1858)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1840)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1842)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1853)

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 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, 1996)

The micrographic dictionary : a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John van Voorst, 1860)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1875)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John Van Voorst, 1856)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1883)

The microscope, and its revelations - Carpenter, William Benjamin, 1813 -1885 (Blanchard and Lea, 1856)

The microscope: and its revelations - Carpenter, William Benjamin, 1813 -1885 (Blanchard and Lea, 1856)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (W. Wood & Co, 1883)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (John Churchill, 1856)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (J. & A. Churchill, 1875)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (Blakiston, 1891)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (J. & A. Churchill, 1901)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (J. Churchill, 1857)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (Blanchard and Lea, 1856)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (P. Blackiston's Sons and Co, 1901)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (John Churchill and Sons, 1868)

The microscope : its history, construction, and application ; being a familiar introduction to the use of the instrument and the study of microscopical science - Hogg, Jabez, 1817 -1899 (G. Routledge, 1858)

The microscope: its history, construction, and application, being a familiar introduction to the use of the instrument and the study of microscopial science - Hogg, Jabez, 1817 -1899 (Routledge, Warnes, and Routledge, 1859)

The microscopist : a compendium of microscopic science including the use of the microscope, mounting and preserving microscopic objects, the microscope in chemistry, biology, histology, botany, geology, pathology, etc - Wythe, J. H. (Joseph Henry), 1822 -1901 (P. Blakiston, Son & Co, 1883)

The microscopist : a manual of microscopy and compendium of the microscopic sciences - Wythe, J. H. (Joseph Henry), 1822 -1901 (Lindsay & Blakiston, 1880)

Mikrochemie der Pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1921)

Mikrochemie der pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1923)

Mikrochemie der Pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1913)

Das Mikroskop, Theorie und Anwendung desselben - Nägeli, Carl, 1817 -1891 (W. Engelmann, 1867)

Minnesota algae - Tilden, Josephine E. (Josephine Elizabeth) (Published by authority of the Board of Regents of the University, 1910)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1898)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1900)

Mission scientifique du cap Horn, 1882-1883 - Mission scientifique du Cape Horn, 1882-1883. (Gauthier-Villars, 1889)

The mitotic cycle; the cytoplasm and nucleus during interphase and mitosis - Hughes, Arthur Frederick William, 1908 - (Academic Press, 1952)

Mitteilungen aus den Botanischen Staatsinstituten in Hamburg - Botanische Staatsinstitut (Hamburg, Germany) (L. Gräfe & Sillem, 1901)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1880)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1879)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1881)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1857)

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad - Royal Microscopical Society (Great Britain) (R. Hardwicke, 1874)

Morphologie und Biologie der Algen - Oltmanns, Friedrich, 1860 -1945 (Fischer, 1922)

Morphologie und biologie der algen - Oltmanns, Friedrich, 1860 -1945 (G. Fischer, 1904)

Morphologie und Biologie der Algen - Oltmanns, Friedrich, 1860 -1945 (G. Fischer, 1922)

Morphologie und biologie der algen - Oltmanns, Friedrich, 1860 -1945 (G. Fischer, 1905)

Morphologische und physiologische Analyse der Zelle der Pflanzen und Tiere : Grundzüge unseres Wissens über den Bau der Zelle und über dessen Beziehung zur Leistung der Zelle - Meyer, Arthur, 1850 -1922 (G. Fischer, 1920)

National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program, 1961-1973 : Pacific botany, manuscript materials (parts 1-2) - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1964)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1897)

A natural arrangement of British plants : according to their relations to each other as pointed out by Jussieu, De Candolle, Brown, &c - Gray, Samuel Frederick, 1766 -1828 (Baldwin, Cradock, and Joy, 1821)

The Natural history of Enewetak Atoll - Devaney, Dennis M. (U.S. Dept. of Energy, Office of Energy Research, Office of Health and Environmental Research, Ecological Research Division, 1987)

The Natural history of Juan Fernandez and Easter Island - Skottsberg, Carl, 1880 -1963 (Almqvist & Wiksells Boktryckeri, 1924)

The Natural history of Juan Fernandez and Easter Island - Skottsberg, Carl, 1880 -1963 (Almqvist & Wiksells Boktryckeri, 1943)

The Natural History of the Scarborough district - Rimington, F. C. (Scarborough Field Naturalists' Society, 1953)

Natural history review

Natural science (Macmillan & Co, 1892)

Natural science : a monthly review of scientific progress (Macmillan and Company [etc.], 1893)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1881)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1882)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1884)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1886)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1895)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1883)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1881)