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, 1694)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1714)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1731)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1761)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1770)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1771)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1782)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1783)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1785)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1786)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1796)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1797)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1811)

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, 1818)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1823)

Philosophical transactions. Series A: Mathematical and physical sciences - Royal Society (Great Britain) (1906)

The Phoenix - Jennings, Michael C. (M.C. Jennings, 1988)

The Phoenix - Jennings, Michael C. (M.C. Jennings, 1998)

Phycologia Germanica, d.i. Deutschlands Algen in bündigen Beschreibungen. Nebst einer Anleitung zum Untersuchen und Bestimmen dieser Gewächse für Anfänger - Kützing, Friedrich Traugott, 1807 -1893 (W. Köhne, 1845)

Physica sacra - Scheuchzer, Johann Jakob, 1672 -1733 (Christian Ulrich Wagner], 1731)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1978)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1984)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1989)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1992)

Le piante fanerogame della Svizzera insubrica : enumerate secondo il methodo decandolliano - Favrat, Louis, 1827 -1893 (H. Georg, 1890)

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

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

The pictorial museum of animated nature - William Clowes; Sons, (George Cox, 18 King Street, Covent Garden, 1844)

Pike's illustrated descriptive catalogue of optical, mathematical and philosophical instruments, manufactured, imported, and sold by the author; with the prices affixed at which they are offered in 1848 ... - Pike, Benjamin, Jr. (The author, 1848)

The Plagiostomia : Sharks, skates, and rays / by Samuel Garman ; with seventy-seven plates - Garman, Samuel, 1843 -1927 (Printed for the Museum, 1913)

Planches coloriees des oiseaux de la Belgique et de leurs oeufs - Dubois, Ch. F. (Charles Frédéric), 1804 -1867 (C. Muquardt, 1854)

Plantae rariores quas in itinere per oras Jonii ac Adriatici Maris et per regiones Samnii ac Aprutii - Gussone, Giovanni, 1787 -1866 (Ex Regia Typographia, 1826)

Plants of the Holy Land : with their fruits and flowers - Osborn, H. S. (Henry Stafford), 1823 -1894 (J. B. Lippincott, 1861)

Plants, their natural growth and ornamental treatment - Hulme, F. Edward (Frederick Edward), 1841 -1909 (Marcus Ward & Co, 1874)

Pleasant ways in science - Proctor, Richard A. (Richard Anthony), 1837 -1888 (Longmans, Green, 1905)

The Pleistocene avifauna of the Talara tar seeps, northwestern Peru - Campbell, Kenneth E. Jr. (Kenneth Eugene), 1943 - (1973)

Pleistocene birds of the palearctic : a catalogue - Nuttall Ornithological Club. (Nuttall Ornithological Club, 1998)

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

Pocket key of the birds of the northern United States, east of the Rocky Mountains - Apgar, A. C. (Austin Craig), 1838 -1908 (J.L. Murphy Pub. Co., Printers, 1893)

A pocket list of the birds of eastern Massachusetts, with especial reference to Essex County - Morse, Albert P. (Albert Pitts), 1863 -1936 (Peabody academy of science, 1912)

Popular British ornithology : containing a familiar and technical description of the birds of the British Isles - Gosse, Philip Henry, 1810 -1888 (Reeve and co, 1853)

Popular British ornithology : containing a familiar and technical description of the birds of the British Isles - Gosse, Philip Henry, 1810 -1888 (Reeve, Benham, and Reeve, 1849)

The Popular educator: a complete encyclopaedia of elementary, advanced and technical education (Cassell, 1888)

The popular encyclopedia; being a general dictionary of arts, sciences, literature, biography, history, and political economy, reprinted from the American edition of the "Conversations lexicon" ... with dissertations on the rise and progress of literature (Blackie, 1900)

A popular guide to the terms of art and science - Brookes, C. Bankes. (J.B. Lippincott & co, 1879)