A monograph of the British Desmidiaceæ - West, G. S. (George Stephen), 1876 -1919 (The Ray Society, 1923)

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, 1869)

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, 1877)

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

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

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)

The mussel fauna of the Kankakee basin - Wilson, Charles Branch, 1861 -1941 (Govt. print. off, 1912)

The mussel fauna of the Maumee River - Wilson, Charles Branch, 1861 -1941 (Govt. print. off, 1912)

The native flora of the vicinity of Cold Spring Harbor, L.I., New York - Grier, Norman McDowell 1890 -1951 (1925)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1890)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1892)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1906)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1909)

Natural history and propagation of fresh-water mussels - Clark, H. Walton (Howard Walton), 1870 -1941 (Govt. Print. Off, 1921)

The Natural history of Juan Fernandez and Easter Island - Skottsberg, Carl, 1880 -1963 (Almqvist & Wiksells Boktryckeri, 1922)

The natural history of plants, their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (H. Holt and Company, 1895)

The natural history of plants, their forms, growth reproduction, and distribution; from the German of Anton Kerner von Marilaun - Kerner von Marilaun, Anton, 1831 -1898 (Blackie & Son, 1895)

The natural history of plants, their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (Blackie, 1902)

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

The natural history of the Toronto region, Ontario, Canada - Glenny, George, 1793 -1874 (Pub. by the Canadian institute, 1913)

The natural history of the Toronto region, Ontario, Canada - Glenny, George, 1793 -1874 (Canadian Institute, 1913)

The Natural history of the Toronto Region, Ontario, Canada - Faull, J. H. (Joseph Horace), 1870 -1961 (Canadian Institute, 1913)

The natural history review - Belfast Natural History; Philosophical Society. (Hodges & Smith, 1855)

Natural history review

The natural history review - Belfast Natural History; Philosophical Society. (Hodges & Smith, 1858)

The natural history review - Belfast Natural History; Philosophical Society. (Hodges & Smith, 1863)

The natural history review. Vol. II (Samuel Highley, 1855)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1878)

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, 1886)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1889)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1890)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1891)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1893)

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

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1902)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1906)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1908)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1909)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1924)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1934)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1935)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1948)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1980)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2016)

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

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1884)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1882)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1887)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1890)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1900)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1870)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1871)

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

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1898)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1902)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1908)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1909)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1915)

Nature and development of plants - Curtis, Carlton C. (Carlton Clarence), 1864 -1945 (Holt, 1907)

Nature and development of plants - Curtis, Carlton C. (Carlton Clarence), 1864 -1945 (H. Holt, 1910)

Nature and development of plants - Curtis, Carlton C. (Carlton Clarence), 1864 -1945 (H. Holt, 1917)

Nature and development of plants - Curtis, Carlton C. (Carlton Clarence), 1864 -1945 (H. Holt, 1915)

Nature and development of plants - Curtis, Carlton C. (Carlton Clarence), 1864 -1945 (H. Holt, 1916)

Nature and development of plants - Curtis, Carlton C. (Carlton Clarence), 1864 -1945 (H. Holt and company, 1907)