Nuovi annali delle scienze naturali (1851)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1877)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1882)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1900)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1904)

Obras completas y correspondencia científica - Ameghino, Florentino, 1853 -1911 (Taller de Impresiones Oficiales, 1916)

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

Observations on certain parts of the animal economy : inclusive of several papers from the Philosophical transactions, etc - Owen, Richard, 1804 -1892 (Haswell, Barrington, and Haswell, 1840)

Observations on certain parts of the animal oeconomy : inclusive of several papers from the Philosophical transactions, etc. ; Treatise on the natural history and diseases of the human teeth : explaining their structure, use, formation, growth, and diseases : in two parts - Hunter, John, 1728 -1793 (Haswell, Barrington, and Haswell, 1839)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1904)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2009)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1978)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1989)

Les odontocètes du Boldérien (miocène supérieur) d'Anvers - Abel, Othenio, 1875 -1946 (Polleunis & Ceuterick, imprimeurs, 1905)

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 complètes de Christiaan Huygens. Publiées par la Société hollandaise des sciences - Huygens, Christiaan, 1629 -1695 (M. Nijhoff, 1888)

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, 1830)

Of husbandry : in twelve books : and his book concerning trees - Columella, Lucius Junius Moderatus. (Printed for A. Millar, opposite to Catharine-street in the Strand, 1745)

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 de inom Skandinavien (Sverige och Norrige) anträffade Hvalartade Däggdjur (Cetacea) - Lilljeborg, Wilhelm, 1816 -1908 (s.n, 1861)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1848)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1861)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1863)

Ohrknorpel und äusseres ohr der Säugetiere; eine vergleichend-anatomische Untersuchung - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 ([Nielsen & Lydiche (A. Simmelkiær)], 1912)

On Risso's Dolphin, Grampus griseus (Cuv.) - Flower, William Henry, 1831 -1899 (1872)

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 archetype and homologies of the vertebrate skeleton - Owen, Richard, 1804 -1892 (John Van Voorst, 1848)

On the classification and geographical distribution of the Mammalia, being a lecture on Sir Robert Reade's foundation, delivered before the University of Cambridge ... May 10, 1859. To which is added an appendix "On the gorilla," and "On the extinction and transmutation of species." - Owen, Richard, 1804 -1892 (J. W. Parker and son, 1859)

On the development and structure of the whale - Guldberg, G. A. (Gustav Adolph), 1854 -1908 (Grieg, 1894)

On the external characters of two species of British dolphins (Delphinus delphis, Linn., and Delphinus tursio, Fabr.) - Flower, William Henry, 1831 -1899 (1880)

On the fossil genus Basilosaurus, Harlan, (Zeuglodon, Owen) with a notice of specimens from the Eocene green sand of South Carolina - Owen, Richard, 1804 -1892 (1847)

On the power, wisdom and goodness of God, as manifested in the creation of animals, and in their history, habits and instincts - Kirby, William, 1759 -1850 (Carey, Lea & Blanchard, 1836)

On the recent ziphioid whales : with a description of the skeleton of Berardius arnouxi - Flower, William Henry, 1831 -1899 (1872)

One hundred second annual report of the New York State Museum : Charles C. Adams, director - Adams, Charles C. (Charles Christopher), 1873 -1955 (University of the State of New York, 1940)

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, 1947)

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, 1958)

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, 1955)

The orders of mammals - Gregory, William K. (William King), 1876 -1970 (The Trustees, 1910)

The origin of the fittest : essays on evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (Macmillan and Company, 1887)

Ostéographie des cétacés vivants et fossiles, comprenant la description et l'iconographie du squelette et du système dentaire de ces animaux, ainsi que des documents relatifs à leur histoire naturelle - Gervais, Paul, 1816 -1879 (A. Bertrand, 1880)