Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1925)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1966)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1992)

Ocean gardens : the history of the marine aquarium, and the best methods now adopted for its establishment and preservation - Humphreys, Henry Noel, 1810 -1879 (Sampson Low, 1857)

Ocean gardens: the history of the marine aquarium, and the best methods now adopted for its establishment and preservation - Humphreys, Henry Noel, 1810 -1879 (S. Low, Son, 1857)

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 descriptive history of the sea and its living inhabitants - Figuier, Louis, 1819 -1894 (Chapman and Hall, 1868)

The ocean world: being a descriptive history of the sea and its living inhabitants - Figuier, Louis, 1819 -1894 (Chapman & Hall, 1868)

The ocean world: being a descriptive history of the sea and its living inhabitants - Figuier, Louis, 1819 -1894 (D. Appleton & co, 1868)

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

Oceanography 1961–phase 3 - United States. Congress. House. Committee on Merchant Marine; Fisheries. (U.S.G.P.O, 1961)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1961)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1963)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1970)

Official guide to the museums of economic botany. No. 1, Dicotyledons - Royal Botanic Gardens, Kew. (Printed for H.M. Stationery Off., by Darling, 1907)

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 Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1869)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1846)

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, 1858)

Okens Lehrbuch der Naturgeschichte - Oken, Lorenz, 1779 -1851 (Bei Carl Heinrich Reclam, 1813)

Okens Lehrbuch der Naturgeschichte - Oken, Lorenz, 1779 -1851 (Bei Carl Heinrich Reclam, 1815)

Om Limfjordens tidligere og nuværende marine fauna, med særligt hensyn til bløddyraunaen - Denmark. Ministeriet for kirke- og undervisningsvæsenet. (Gyldendal, 1884)

On a new genus of the Crustacea, and the species on which it is established. Read July 8, 1817 - Say, Thomas, 1787 -1834 (Academy of Natural Sciences of Philadelphia, 1817)

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)

On the fauna and flora of the west of Scotland. Meeting at Glasgow, September, 1876 - British Association for the Advancement of Science. (Blackie, 1876)

On the geology and natural history of the upper Missouri :Being the substance of a report made to Lieut. G.K. Warren, T.E. U.S.A - Hayden, F. V. (Ferdinand Vandeveer), 1829 -1887 (Printed by C. Sherman & son, 1862)

On the habits and instincts of animals - Swainson, William, 1789 -1855 (Printed for Longman, Orme, Brown, Green, & Longmans, 1840)

On the impregnation of the ovum in the Amphibia ... (First series ... second series, rev.) And on the direct agency of the spermatozoon - Newport, George 1803 -1854 (1851)

On the marine mollusca of Maderia : with descriptions of thirty-five new species and an index-list of all known sea-dweling species of that island - Watson, Robert Boog. 1823 -1910 (Linnean Society of London, 1897)

On the origin of freshwater faunas: a study in evolution - Sollas, W. J. (William Johnson), 1849 -1936 (Royal Dublin Society, 1884)

On the power, wisdom, and goodness of God : as manifested in the creation of animals, and in their history, habits, and instincts - Jones, Thomas Rymer, 1810 -1880 (H.G. Bohn, 1853)

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 power, wisdom and goodness of God as manifested in the creation of animals and in their history, habits and instincts - Kirby, William, 1759 -1850 (W. Pickering, 1835)

On the systematic position of the Brachiopoda - Morse, Edward Sylvester, 1838 -1925 (Press of A.A. Kingman, 1873)

Theophrasti Eresii De historia plantarum libri decem, Graece : cum syllabo generum et specierum, glossario, et notis - Theophrastus. (S. Collingwood, 1813)

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, 1956)

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, 1957)

Organic dependence and disease: their origin and significance - Clarke, John Mason, 1857 -1925 (Yale university press, 1921)

Organic remains of a former world : an examination of the mineralized remains of the vegetables and animals of the Antediluvian world; generally termed extraneous fossils - Parkinson, James, 1755 -1824 (M.A. Nattali, 1833)

Organic remains of a former world. An examination of the mineralized remains of the vegetables and animals of the antediluvian world; generally termed extraneous fossils - Parkinson, James, 1755 -1824 (Sherwood, Neely and Jones, etc, 1811)

Osservazioni di Saverio Macrì intorno alla storia naturale di tre nuove specie di Tetidi del mar Tirreno - Macri, Saverio. (1816)

Otia conchologica : descriptions of shells and mollusks, from 1839 to 1862 - Gould, Augustus A. (Augustus Addison), 1805 -1866 (Gould and Lincoln, 1862)

Otia conchologica : descriptions of shells and mollusks from 1839 to 1862 / by Augustus A. Gould, M.D - Gould, Augustus A. (Augustus Addison), 1805 -1866 (1846)

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)

Our country's shells and how to know them : a guide to the British mollusca - Gordon, W. J. (Simpkin, Marshall, Hamilton, Kent & Co, 1901)

Our floating population : buoy collecting 1937-1940 - Gray, George M. (1940)

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)

An outline of the natural history of our shores - Sinel, Joseph. (S. Sonnenschein, 1906)

An outline of the natural history of our shores - Sinel, Joseph. (Swan Sonnenschein & Co, 1906)