Oversigt over det Kongelige Danske videnskabernes selskabs forhandlinger = Bulletin de l'Académie royale des sciences et des lettres de Danemark - Kongelige Danske videnskabernes selskab. (A.F. Høst, 1862)

Paläobiologie der Cephalopoden aus der Gruppe der Dibranchiaten - Abel, Othenio, 1875 -1946 (G. Fischer, 1916)

Pamphlets on forestry. Fish and game (1900)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1870)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1913)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1918)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1919)

Papers from the Tortugas Laboratory of the Carnegie Institution of Washington - Carnegie Institution of Washington. Department of Marine Biology. (Carnegie Institution of Washington, 1918)

Papers in marine biology and oceanography (Pergamon Press, 1955)

Parasites of fishes of the Woods Hole region - Linton, Edwin, 1855 -1939 (Govt. print. off, 1901)

Pattedyr - Winge, H. (Herluf) (Forlagt af G.E.C. Gad, 1908)

The people's natural history, embracing Living animals of the world and Living races of mankind - Cornish, C. J. (Charles John), 1858 -1906 (The University society, 1903)

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 - Linné, Carl von, 1707 -1778 (Impensis A.F. Röse, 1792)

Petri Artedi renovati pars I. et II. [III-V] : i.e. bibliotheca et philosophia ichthyologica - Linné, Carl von, 1707 -1778 (Impensis A.F. Röse, 1793)

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)

Phases of animal life, past and present - Lydekker, Richard, 1849 -1915 (Longmans, Green, and Co, 1892)

The Philosophical transactions of the Royal society of London, from their commencement in 1665, in the year 1800 - Royal Society (Great Britain) (Printed by and for C. and R. Baldwin, 1809)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1690)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1706)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1787)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1862)

The physical geography of the sea, and its meteorology - Maury, Matthew Fontaine, 1806 -1873 (Sampson Low, Marston, Low, and Searle, 1874)

The physical geography of the sea, and its meteorology - Maury, Matthew Fontaine, 1806 -1873 (Sampson Low, Son & Marston, 1864)

The physical geography of the sea, and its meteorology - Maury, Matthew Fontaine, 1806 -1873 (Sampson Low, Son & Co, 1861)

The physical geography of the sea, and its meteorology - Maury, Matthew Fontaine, 1806 -1873 (Harper, 1875)

Physical oceanography of the Gulf of Maine - Bigelow, Henry B. (Henry Bryant), 1879 -1967 (U.S. Govt. Print. Off, 1927)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1847)

The pictorial gallery of English race horses : containing portraits of all the winners of the Derby, Oaks and St. Leger Stakes, during the last twenty years ; and a history of the principal operations of the turf - Cooper, Abraham, 1787 -1868 (Henry G. Bohn, 1850)

The pictorial museum of animated nature ... - Knight, Charles, 1791 -1873 (C. Knight, 1844)

The pictorial museum of animated nature - Knight, Charles, 1791 -1873 (C. Cox, 1844)

Plankton of the offshore waters of the Gulf of Maine - Bigelow, Henry B. (Henry Bryant), 1879 -1967 (Govt. Print. Off, 1926)

Plates illustrative of observations on certain parts of the animal oeconomy inclusive of several papers from the Philosophical transactions, etc - Owen, Richard, 1804 -1892 (Longman, Orme, Brown, Green, and Longmans, 1837)

A pocket list of the mammals of eastern Massachusetts, with special reference to Essex County - Brown, C. Emerson, 1869 -1949 (Peabody Academy of Science, 1913)

The poets and nature : reptlies, fishes, and insects - Robinson, Phil, 1847 -1902 (Chatto & Windus, 1893)

The polar and tropical worlds: a description of man and nature in the polar and equatorial regions of the globe. Two volumes in one - Hartwig, G. (Georg), 1813 -1880 (C.A. Nichols & Co, 1874)

The polar and tropical worlds a description of man and nature in the polar and equatorial regions of the globe : two volumes in one : embracing also an account of the expeditions of all the Arctic explorers from the discovery of Iceland, over one thousand years ago, to Hall's last expedition in the northern world, together with the wonderful discoveries and adventures of Agassiz, Livingstone, Wallace, and other distinguished travelers in the tropical countries - Hartwig, G. (Georg), 1813 -1880 (J.W. Lyon, 1874)

The polar and tropical worlds: a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (Johnson & McClain, 1871)

The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (J.W. Lyon, 1874)

The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (A. L. Bancroft, 1871)

The polar world: a popular description of man and nature in the Arctic and Antarctic regions of the globe - Hartwig, G. (Georg), 1813 -1880 (Harper & Brothers, 1869)

The polar world a popular description of man and nature in the Arctic and Antarctic regions of the globe - Hartwig, G. (Georg), 1813 -1880 (Longmans, Green, 1892)

The polar world a popular description of man and nature in the Arctic and Antarctic regions of the globe - Hartwig, G. (Georg), 1813 -1880 (Longmans, Green, 1869)

Popular lectures on the study of natural history and the sciences, vegetable physiology, zoology, the animal and vegetable poisons : and on the human faculties, mental and corporeal, as delivered before the Isle of Wight Philosophical Society - Lempriere, William. (Whittaker, Treacher and Co, 1830)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1888)

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

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1890)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1891)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1917)

Portraits of celebrated racehorses of the past and present centuries : in strictly chronological order, commencing in 1702 and ending in 1870 together with their respective pedigrees and performance recorded in full - Taunton, Thomas Henry. (S. Low, Marston, Searle & Rivington, 1887)

Potential effects of oil spills on seabirds and selected other oceanic vertebrates off the North Carolina coast - North Carolina Biological Survey. (N.C. Biological Survey, 1989)

A practical treatise on breeding, rearing, and fattening all kinds of domestic poultry, pheasants, pigeons, and rabbits : including an interesting account of the Egyptian method of hatching eggs by artificial heat with some modern experiments thereon - Lawrence, John, 1753 -1839 (Printed for Sherwood, Neely, and Jones, 1819)

Proceedings and transactions of the Croydon Natural History and Scientific Society - Croydon Natural History; Scientific Society. (Croydon Natural History and Scientific Society, 1903)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1896)

Proceedings - Dorset Natural History and Archaeological Society - Dorset Natural History; Archaeological Society. (1877)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1876)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1887)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1911)

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)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1920)

Proceedings of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1876)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1888)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1890)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1897)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1905)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1922)