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, 1789)

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)

Petri Bellonii Cenomani De aquatilibus, libri duo cum [epsilon, iota] conibus ad viuam ipsorum effigiem, quoad eius fieri potuit, expressis - Belon, Pierre, 1517? -1564 (Apud C. Stephanum, 1553)

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)

Philipp Cavolini's Abhandlung über die Erzeugung der Fische und der Krebse - Cavolini, Filippo, 1756 -1810 (In der Vossischen Buchhandlung, 1792)

Philippi Conradi Fabricii ... Commentatio historico-physico-medica de animalibus quadrupedibus, avibus, amphibiis, piscibus et insectis Wetteraviae indigenis - Fabricius, Philipp Conrad, 1714 -1774 (Schnorrius, 1749)

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, 1767)

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)

Photoperiodism and related phenomena in plants and animals; proceedings - Withrow, Robert B. 1904 -1958 (1959)

Physical chemistry of vital phenomena, for students and investigators in the biological and medical sciences - McClendon, J. F. (Jesse Francis), 1880 -1976 (Princeton University Press, 1917)

Phytoneuron (Guy L. Nesom, 2012)

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

Pike and perch, with notes on record pike and a chapter on the black bass, Murray cod and other sporting members of the perch family - Jardine, Alfred. (G. Routledge and sons, limited, 1898)

Pioneers of science in America; sketches of their lives and scientific work - Youmans, William Jay, 1838 -1901 (D. Appleton, 1896)

Piscatorial reminiscences and gleanings : to which is added A catalogue of books on angling - Pickering, William, 1796 -1854 (William Pickering, 1835)

La piscicoltura - Vogt, Karl Christoph, 1817 -1895 (Tip. di Carlo Franchi, 1865)