The North American Crinoidea camerata - Springer, Frank, 1848 -1927 (Printed for the Museum, 1897)

North American geology and paæontology for the use of amateurs, students, and scientists - Miller, S. A. (Samuel Almond), 1836 -1897 ([Western Methodist Book Concern], 1889)

North American geology and palaeontology for the use of amateurs, students, and scientists - Miller, S. A. (Samuel Almond), 1836 -1897 ([s.n.], 1889)

North American geology and palæontology for the use of amateurs, students, and scientists - Miller, S. A. (Samuel Almond), 1836 -1897 (Western Methodist Book Concern, 1889)

North American geology and palæontology for the use of amateurs, students, and scientists - Miller, S. A. (Samuel Almond), 1836 -1897 ([Western Methodist book concern], 1889)

North American index fossils, invertebrates - Grabau, Amadeus W. (Amadeus William), 1870 -1946 (A.G. Seiler, 1909)

Notebook no. 24 - New York and Ontario, 1913 - Ulrich, E. O. (Edward Oscar), 1857 -1944 (1913)

Notes et mémoires sur le Moyen-Orient - Muséum national d'histoire naturelle (France) (Muséum national d'histoire naturelle, 1970)

Notice préliminaire sur le systême silurien et les trilobites de Bohême - Barrande, Joachim, 1799 -1883 (C. L. Hirschfeld, 1846)

Notices of the Proceedings at the meetings of the members of the Royal Institution - Royal Institution of Great Britain. (1851)

Notices of the Proceedings at the meetings of the members of the Royal Institution - Royal Institution of Great Britain. (1854)

Nouveau cours élémentaire de géologie : ouvrage accompagné de planches. Tome premier [-deuxième] - Huot, Jean Jacques Nicolas, 1790 -1845 (1839)

Nouveaux mémoires de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (La Société, 1860)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1852)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1857)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1883)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1887)

The ocean world: being a description of the sea and its living inhabitants - Figuier, Louis, 1819 -1894 (Cassell, Petter and Galpin, 1869)

The ocean world: being a description of the sea and some of its inhabitants - Figuier, Louis, 1819 -1894 (Cassell, 1872)

The ocean world: being a description of the sea and some of its inhabitants - Figuier, Louis, 1819 -1894 (D. Appleton and Co, 1872)

The ocean world : being a description of the sea and some of its inhabitants - Figuier, Louis, 1819 -1894 (D. Appleton, 1872)

Official lists and indexes of names and works in zoology. Supplement 1986-2000 - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, c/o Natural History Museum, 2001)

Official lists and indexes of names and works in zoology - International Commission on Zoological Nomenclature (ICZN, 1987)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1860)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1871)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1873)

Ohio fossils - La Rocque, Aurèle, 1909 -1990 (Ohio Dept. of Natural Resources, Division of Geological Survey, 1955)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1917)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1916)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1918)

On the Silurian Gastropoda and Pteropoda of Gotland - Lindström, Gustaf, 1829 -1901 (P.A. Norstedt, 1884)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1954)

The Oregon naturalist (Naturalist Pub. Co, 1895)

The Oriskany fauna of Becraft Mountain, Columbia County, N. Y - Clarke, John Mason, 1857 -1925 (University of the State of New York, 1900)

The Oriskany fauna of Becraft Mountain, Columbia County, N.Y - Clarke, John Mason, 1857 -1925 (University of the State of New York, 1900)

Our common British fossils and where to find them : a handbook for students - Taylor, J. E. (John Ellor), 1837 -1895 (Chatto and Windus, 1885)

Our common British fossils, and where to find them; a handbook for students - Taylor, J. E. (John Ellor), 1837 -1895 (Chatto, 1885)

Outlines of comparative physiology : touching the structure and development of the races of animals, living and extinct, for the use of schools and colleges - Agassiz, Louis, 1807 -1873 (Bell & Daldy, 1867)

Outlines of comparative physiology : touching the structure and development of the races of animals, living and extinct - Agassiz, Louis, 1807 -1873 (H. G. Bohn, 1851)

Outlines of comparative physiology : touching the structure and development of the races of animals, living and extinct : for the use of schools and colleges - Agassiz, Louis, 1807 -1873 (H.G. Bohn, 1851)

Outlines of comparative physiology touching the structure and development of the races of animals, living and extinct : for the use of schools and colleges - Agassiz, Louis, 1807 -1873 (Bell & Daldy, 1870)

Outlines of geologic history, with especial reference to North America; a series of essays involving a discussion of geologic correlation presented before section E of the American Association for the Advancement of Science in Baltimore, December, 1908 - American Association for the Advancement of Science. (The University of Chicago Press, 1910)

Outlines of natural theology for the use of the Canadian student selected and arranged from the most authentic sources - Bovell, James, 1817 -1880 (s.n.], 1859)

Outlines of oryctology. An introduction to the study of fossil organic remains; especially those found in the British strata: intended to aid the student in his inquiries respecting the nature of fossils, and their connection with the formation of the earth ... - Parkinson, James, 1755 -1824 (M.A. Nattali; [etc., etc, 1831)

Outlines of oryctology : An introduction to the study of fossil organic remains; especially those found in the British strata ... / by James Parkinson - Parkinson, James, 1755 -1824 (1831)

Palaeontographia Italica : Memorie di paleontologia - Canavari, Mario 1855 -1928 (Tip. T. Nistri, 1907)

Palaeontographia Italica : Memorie di paleontologia - Canavari, Mario 1855 -1928 (Tip. T. Nistri, 1911)

Palaeontographia Italica : Memorie di paleontologia - Canavari, Mario 1855 -1928 (Tip. T. Nistri, 1895)

Palaeontographica (Theodor Fischer, 1850)

Palaeontographica (Theodor Fischer, 1853)

Palaeontographica (Theodor Fischer, 1855)