Odontographie. Vergleichende Darstellung des Zahnsystemes der lebenden und fossilen Wirbelthiere - Giebel, C. (Christoph), 1820 -1881 (A. Abel, 1855)

Odontography : or a treatise on the comparative anatomy of the teeth, their physiological relations, mode of development and microscopic structure, in the vertebrate animals - Owen, Richard, 1804 -1892 (Hippolyte Bailliere, 1840)

Odontography; or, A treatise on the comparative anatomy of the teeth; their physiological relations, mode of development, and microscopic structure, in the vertebrate animals - Owen, Richard, 1804 -1892 (H. Baillière, 1840)

Oeuvres du comte de Lacépède : comprenant l'histoire naturelle des quadrupèdes ovipares, des serpens, des poissons et des cétacés : accompagnées de 150 planches gravées sur acier, représentant au moins 500 animaux - La Cépède, M. le comte de (Bernard Germain Etienne de La Ville sur Illon), 1756 -1825 (P. Duménil, 1836)

Oeuvres du comte de Lacépède : comprenant l'histoire naturelle des quadrupèdes ovipares, des serpents, des poissons et des cétacés; accompanées du portrait de l'auteur et d'environ 400 figures, exécutés pour cette édition par les meilleurs artistes - Cuvier, Georges, baron, 1769 -1832 (Chez F.D. Pillot, 1831)

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, 1852)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1853)

Okens Lehrbuch der Naturgeschichte - Oken, Lorenz, 1779 -1851 (Bei Carl Heinrich Reclam, 1816)

Om lydorganer hos fiske : En physiologisk og comparativanatomisk undersøgelse - Sørensen, William, 1848 -1916 (V. Thaning & Appels boghandel, trykt hos J.H. Schultz, 1884)

On the anatomy of vertebrates - Owen, Richard, 1804 -1892 (Longmans, Green, 1866)

On the anatomy of vertebrates ... - Owen, Richard, 1804 -1892 (Longmans, Green and Co, 1866)

On the fossil remains of a species of Hybodus, from Lyme Regis - Charlesworth, Edward. (1839)

Ontogeny and systematics of fishes : based on an international symposium dedicated to the memory of Elbert Halvor Ahlstrom - United States. National Marine Fisheries Service. (American Society of Ichthyologists and Herpetologists, 1984)

[Orr's Circle of the sciences. A series of treatises on the principles of science, with their application to practical pursuits. Organic nature ... - Owen, Richard, 1804 -1892 (W.S. Orr, 1854)

Osteology, phylogeny, and higher classification of the fishes of the order Plectognathi (Tetraodontiformes) - United States. National Marine Fisheries Service. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1980)

Our country's fishes and how to know them : a guide to all the fishes of Great Britain - Gordon, W. J. (Simpkin, Hamilton, Kent & Co, 1902)

Our living oceans : report on the status of U.S. living marine resources, 1992 - United States. National Marine Fisheries Service. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1992)

Our living world; an artistic edition of the Rev. J. G. Wood's Natural history of animate creation - Wood, J. G. (John George), 1827 -1889 (S. Hess, 1885)

Outline for an educational exhibit of fishes - Lucas, Frederic A. (Frederic Augustus), 1852 -1929 (Govt. print. off, 1910)

Outlines of comparative anatomy intended principally for the use of students - Fyfe, Andrew, 1754 -1824 (Printed by J. Pillans & Sons for Adam Black ... [etc.], 1818)

Outlines of general zoology - Baird, Spencer Fullerton, 1823 -1887 (Rudolph Garrigue, 1851)

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)

Outlines of vertebrate palæontology for students of zoology - Woodward, Arthur Smith, 1864 -1944 (University Press, 1898)

Oeuvres du Comte de Lacépède, comprenant l'histoire naturelle des quadrupèdes ovipares, des serpens, des poissons et des cétacés - La Cépède, M. le comte de (Bernard Germain Etienne de La Ville sur Illon), 1756 -1825 (Duménil, 1836)

Palaeontographica (Theodor Fischer, 1899)

Palaeontographica (Theodor Fischer, 1905)

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)

Paleontologia del regno di Napoli : contenente la descrizione e figura di tutti gli avanzi organici fossili racchuisi nel suolo di questo regno - Costa, Oronzio Gabriele, 1789 -1867 (Tramater, 1854)

Pamphlets on forestry. Fish and game (1900)