Pflügers Archiv für die gesamte Physiologie des Menschen und der Tiere (M. Hager, 1910)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1874)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1817)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1875)

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)

The physiology of the domestic animals; a text-book for veterinary and medical students and practitioners - Smith, Robert Meade. (F. A. Davis, 1889)

The physiology of the Invertebrata - Griffiths, A. B. (Arthur Bower), 1859 - (D. Appleton and Company, 1892)

The physiology of the invertebrata - Griffiths, A. B. (Arthur Bower), 1859 - (L. Reeve, 1892)

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)

The pineal organ; the comparative anatomy of median and lateral eyes, with special reference to the origin of the pineal body; and a description of the human pineal organ considered from the clinical and surgical standpoints - Gladstone, Reginald John, 1865 - (Williams & Wilkins, 1940)

Pliny's Natural history. In thirty-seven books - Pliny, the Elder, 23 or 24 -79 (Printed for the Club by G. Barclay, 1847)

A pocket list of British marine Mollusca - Bailey, George. (Tindall & co., printers, 1887)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 2011)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 2013)

Les poissons des côtes de Belgique : leurs parasites et leurs commensaux - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (M. Hayez, Imprimeur de l'academie royale de Belgique, 1870)

Ponds and rock pools : with hints on collecting for and the management of the micro-aquarium - Scherren, Henry, 1842 -1911 (Religious Tract Society, 1894)

Ponds and rock pools, with hints on collecting for and the management of the micro-aquarium - Scherren, Henry, 1842 -1911 (Religious Tract Society, 1900)

Popular British conchology. A familiar history of the molluscs inhabiting the British Isles - Sowerby, George Brettingham, 1788 -1854 (Lovell Reeve, 1854)

Popular conchology, or, The shell cabinet arranged according to the modern system : with a detailed account of the animals, and a complete descriptive list of the families and genera of recent and fossil shells - Catlow, Agnes, 1807? -1889 (Longman, Brown, Green, and Longmans, 1854)

A popular history of the Mollusca; comprising a familiar account of their classification, instincts and habits, and of the growth and distinguishing characters of their shells - Roberts, Mary, 1788 -1864 (Reeve and Benham, 1851)

Popular natural history - Wood, J. G. (John George), 1827 -1889 (Porter & Coates, 1885)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1878)

Porte-feuille instructif et amusant pour la jeunesse : Mélange intéressant d'animaux, plantes, fleurs, fruits, minéraux,costumes, antiquités et autres objets instructifs et amusants pour la jeunesse; choisis et gravés sur les meilleurs originaux, avec de courtes explications scientifiques et proportionnées à l'entendement de la jeunesse - Bertuch, Friedrich Justin, 1747 -1822 (Chez Antoine Pichler, 1807)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1965)

The powers of the Creator displayed in the creation; or, Observations on life amidst the various forms of the humbler tribes of animated nature - Dalyell, John Graham, 1775 -1851 (J. Van Voorst, 1851)

The powers of the Creator displayed in the creation; or, Observations on life amidst the various forms of the humbler tribes of animated nature - Dalyell, John Graham, 1775 -1851 (J. Van Voorst, 1858)

Principles of biological microtechnique; a study of fixation and dyeing - Baker, John Randal, 1900 -1984 (Methuen, 1958)