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)

North American Mesozoic and Cænozoic geology and palaeontology, or, An abridged history of our knowledge of the Triassic, Jurassic, Cretaceous and Tertiary formations of this continent - Miller, S. A. (Samuel Almond), 1836 -1897 (s.n.], 1881)

North American mesozoic and cænozoic geology and palæontology; or, An abridged history of our knowledge of the triassic, jurassic, cretaceous and tertiary formations of this continent - Miller, S. A. (Samuel Almond), 1836 -1897 (Printed by J. Barclay, 1881)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1874)

Nova acta Regiae Societatis Scientiarum Upsaliensis - Kungl. Vetenskaps-societeten i Uppsala. (Almqvist & Wiksells, 1877)

Obras completas y correspondencia científica - Ameghino, Florentino, 1853 -1911 (Taller de Impresiones Oficiales, 1918)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1915)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1893)

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

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)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1902)

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

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

Old bones : or, Notes for young naturalists - Brooks, Vincent, 1815? -1885 (Robert Hardwicke, 1861)

Old bones : or, Notes for young naturalists, on vertbebrate animals, their fossil predecessors and allies - Symonds, W. S. 1818 -1887 (Robert Hardwicke, 1864)

On growth and form - Thompson, D'Arcy Wentworth, 1860 -1948 (University press, 1917)

On growth and form - Thompson, D'Arcy Wentworth, 1860 -1948 (University Press, 1945)

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, 1959)

Die Organisation der Trilobiten aus ihren lebenden Verwandten entwickelt - Burmeister, Hermann, 1807 -1892 (Georg Reimer, 1843)

The organization of Trilobites, deduced from their living affinities. With a systematic review of the species hitherto described - Bell, Thomas, 1792 -1880 (Printed for the Ray Society, 1846)

The organization of trilobites, deduced from their living affinities : with a systematic review of the species hitherto described - Bell, Thomas, 1792 -1880 (Printed for the Ray society, 1846)

The origin of vertebrates - Gaskell, Walter Holbrook, 1847 -1914 (Longmans, Green, and co, 1908)

Ornithological notes - Herrick, C. L. (Clarence Luther), 1858 -1904 (Geological and Natural History Survey of Minnesota, 1877)

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

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

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 zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Young J. Pentland, 1892)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (D. Appleton & Co, 1892)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Young J. Pentland, 1895)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Pentland, 1899)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (H. Frowde and Hodder & Stoughton, 1899)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (D. Appleton & Co, 1895)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (D. Appleton, 1895)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (H. Frowde and Hodder & Stoughton, 1921)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Humphrey Milford, Oxford University Press, 1929)

Palaeontographica. Supplement (Theodor Fischer, 1876)

Palaeontographica (Theodor Fischer, 1889)

Palaeontographica (Theodor Fischer, 1892)

Palaeontographica (Theodor Fischer, 1921)

Palaeontographica Americana - Paleontological Research Institution (Ithaca, N.Y.) (Paleontological Research Institution, 1986)

Palaeontology - Palaeontological Association (Palaeontological Association, 1963)

Palaeontology - Palaeontological Association (Palaeontological Association, 1970)

Palaeontology - Palaeontological Association (Palaeontological Association, 1987)

Palaeontology - Palaeontological Association (Palaeontological Association, 1988)

Palaeontology - Palaeontological Association (Palaeontological Association, 1991)

Palaeontology - Palaeontological Association (Palaeontological Association, 1995)

Palæontology, invertebrate - Woods, Henry, 1868 -1952 (The University press, 1909)

The palaeontology of the Lancashire coal measures - Bolton, Herbert, 1863 -1936 (1904)

Palaeontology; or, A systematic summary of extinct animals and their geological relations - Owen, Richard, 1804 -1892 (A. and C. Black, 1861)

Palaeontology; or, A systematic summary of extinct animals and their geological relations - Owen, Richard, 1804 -1892 (A. and C. Black, 1860)

Palæontology; or, A systematic summary of extinct animals and their geological relations - Owen, Richard, 1804 -1892 (A. and C. Black, 1860)

Palaeontology or A systematic summary of extinct animals and their geological relations - Owen, Richard, 1804 -1892 (A. and C. Black, 1861)

Palaeontology, or, A systematic summary of extinct animals and their geological relations - Owen, Richard, 1804 -1892 (A. and C. Black, 1860)

Palaeozoic Crustacea. The publications and notes on the genera and species during the past twenty years, 1895-1917 - Vogdes, Anthony Wayne, 1843 -1923 (Press of Frye & Smith, 1917)

Paléontologie de la France - Archiac, vicomte d' (Etienne Jules Adolphe Desmier), 1802 -1868 (Imprimerie impériale, 1868)

The Permian of Mongolia : a report on the Permian fauna of the Jisu Honguer limestone of Mongolia and its relations to the Permian of other parts of the world - Berkey, Charles Peter, 1867 -1955 (American Museum of Natural History, 1931)

The Permian or Upper Carboniferous flora of West Virginia and S.W. Pennsylvania - Fontaine, William Morris, 1835 -1913 (Pub. by the Board of Commissioners for the Second Geological Survey, 1880)

The Permo-Carboniferous red beds of North America and their vertebrate fauna - Case, E. C. (Ermine Cowles), 1871 -1953 (Carnegie institution of Washington, 1915)

Petrefacta Musei Universitatis regiae. Repertorium zu Goldfuss' Petrefakten Deutschlands; ein Verzeichniss aller Synonymen und literarischen Nachweise zu den von Goldfuss abgebildeten Arten - Giebel, C. (Christoph), 1820 -1881 (List & Francke, 1866)

Petrifactions and their teachings, or, A hand-book to the gallery of organic remains of the British Museum - British Museum (Natural History). Department of Zoology. (H.G. Bohn, 1851)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1880)

Phyllocarida and phyllopoda - Sars, G. O. (Georg Ossian), 1837 -1927 (Printed by the Joint-stock Print. Co, 1896)

Phylogeny and evolution of Crustacea : proceedings of a conference held at Cambridge, Mass, March 6-8, 1962 - Whittington, H. B. (Harry Blackmore), 1916 -2010 (Museum of Comparative Zoology, 1963)

The physical geology and geography of Great Britain : a manual of British geology - Woodward, Horace B. (Horace Bolingbroke), 1848 -1914 (E. Stanford, 1878)

The physiography and geology of the coastal plain province of Virginia - Clark, William Bullock, 1860 -1917 (University of Virginia, 1912)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1915)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1916)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1918)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1921)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1889)

The Potomac or younger Mesozoic flora - Fontaine, William Morris, 1835 -1913 (Govt. Print. Off, 1889)

Pottsville fauna of Ohio - Morningstar, Helen, 1891 - (1922)

Principles of stratigraphy - Grabau, Amadeus W. (Amadeus William), 1870 -1946 (A.G. Seiler and company, 1913)