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)

Opuscula zoologica - Zoologische Staatssammlung München. (Zoologische Staatssammlung, 1960)

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)

Pacific science - University of Hawaii. (University Press of Hawaii, 1955)

Pacific science - University of Hawaii. (University Press of Hawaii, 1962)

Palaeontographia Italica : Memorie di paleontologia - Canavari, Mario 1855 -1928 (Tip. T. Nistri, 1913)

Pamphlets on forestry. Fish and game (1900)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1886)

Papers from the Hopkins-Stanford Galapagos expedition, 1898-1899 - Hopkins-Stanford Galapagos Expedition, 1898-99. (The Academy, 1901)

Pesci - Vinciguerra, Decio, 1856 -1934 (Tip. del R. Istituto Sordo-Muti, 1890)

Petri Artedi renovati pars I. et II. [III-V] : i.e. bibliotheca et philosophia ichthyologica - Linné, Carl von, 1707 -1778 (Impensis A.F. Röse, 1788)

Petri Artedi renovati pars I. et II. [III-V] : i.e. bibliotheca et philosophia ichthyologica - Walbaum, Johann Julius, 1724 -1799 (impensis A. F. Röse, 1788)

Petri Artedi renovati pars I. et II. [III-V] : i.e. bibliotheca et philosophia ichthyologica - Linné, Carl von, 1707 -1778 (Impensis A.F. Röse, 1792)

The Philosophical magazine : or Annals of chemistry, mathematics, astronomy, natural history and general science (Richard Taylor and Co, 1832)

The philosophy of zoology, or, A general view of the structure, functions, and classification of animals - Fleming, John, 1785 -1857 (Hurst, Robinson & Co, 1822)

The philosophy of zoology; or, A general view of the structure, functions, and classification of animals - Fleming, John, 1785 -1857 (A. Constable, 1822)

La Pisciculture et la Pêche en Chine ... précédé d'une Introduction sur la Pisciculture chez les divers peuples par ... J. L. Soubeiran. (Nouvelles espèces de Poissons de Chine.) - Dabry de Thiersant, Pierre, 1826 - (1872)

The Plant world - Plant World Association. (Plant World Association [etc.], 1904)

Poey's ichthyological memoirs - Poey, Felipe, 1799 -1891 (s.n, 1870)

Les poissons des eaux douces de l'Afrique occidentale : du Sénégal au Niger - Pellegrin, Jacques, 1873 -1944 (E. Larose, 1923)

Les poissons : synonymie–description–mœurs–frai–pêche–iconographie, des espèces composant plus particulièrement la faune française - Boulart, R. (Raoul), 1849 -1901 (J. Rothschild, 1877)

Die preussische expedition nach Ost-Asien : nach amtlichen quellen. V. 1, Zoologischer theil - Martens, Eduard von, 1831 -1904 (R. v. Decker, 1876)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1860)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1861)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1862)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1863)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1885)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1897)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1900)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1915)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1916)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1918)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1913)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1841)