Petri Andreæ Matthioli Senensis medici, Commentarii in sex libros Pedacii Dioscoridis Anazarbei De medica materia - Mattioli, Pietro Andrea, 1501 -1577 (Ex Officina Valgrisiana, 1565)

Petri Andreae Matthioli Senensis serenissimi Principis Ferdinandi Archiducis Austriae & c., Medici, Commentarii secundo aucti : in libros sex Pedacii Dioscoridis Anazarbei de medica materia. Adiectis quàm plurimis plantarum, & animalium imaginibus quae in priore editione non habentur, eodem authore : his accessit eiusdem apologia adversus Amathum Lusitanum cum censura in eiusdem enarrationes - Dioscorides Pedanius, of Anazarbos. (Ex officina Erasmiana, Vincentij Valgrifij, 1558)

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 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)

Petri Laurembergii Rostochiensis Apparatus plantarius tributus in duos libros : I. De plantis bulbosis, II. De plantis tuberosis : quibus exhibentur praeter nomenclaturas, multiplices earum differentiae & species, vires, usus tam culinarius quam medicus : cultura sive ratio eas plantandi, conservandi, propagandi, itemque quae poetae, philologi, philosophi, sacrae litterae, &c. de iis memoratu digna annotarunt : adiunctae sunt plantarum quarundam novarum nova ichnographia, & descriptiones - Merian, Matthaeus, 1593 -1650 (num sumptibus Matthaei Meriani, 1654)

Petri Matthioli ... Opera quae extant òmnia, hoc est, Commentarii in VI. libros Pedacii Dioscoridis Anazarbei De medica materia : adjectis in margine variis Graeci testus lectionibus, ex antiquissimis codicibus desumptis, qui Dioscorides depravatam lectionem restituunt - Bauhin, Caspar, 1560 -1624 (Sumptibus Joannis König, 1674)

Petroleum withdrawals and restorations affecting the public domain - Ball, Max W. (Max Waite), 1885 -1954 (Govt. print. off, 1917)

Pflanzenphänologische Beobachtungen in Finland ... - Brotherus, V. F. (Viktor Ferdinand), 1849 -1929 (Druckerei der Finnischen Litteraturgesellschaft, 1871)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1903)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1916)

Pharmacographia : a history of the principal drugs of vegetable origin met with in Great Britain and British India - Flückiger, Friedrich A. (Friedrich August), 1828 -1894 (Macmillan & Co, 1874)

Pharmacographia indica :A history of the principal drugs of vegetable origin, met with in British India - Dymock, William, 1834 -1892 (K. Paul, Trench, Trübner & co., ld; [etc. etc.], 1892)

Pharmacographia indica a history of the principal drugs of vegetable origin, met with in British India - Dymock, William, 1834 -1892 (K. Paul, Trench, Trübner, 1890)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1985)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2009)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1906)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1907)

Philosophiae natvralis sive Physicae dogmaticae tomvs I[-IV] continens ... continvationem systematis philosophici Christiani L.B. de Wolff - Hanov, M. C. (Michael Christoph), 1695 -1773 (Prostat in officina libraria rengeriana, 1762)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1669)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1684)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1686)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1698)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1699)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1700)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1713)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1722)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1724)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1735)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1746)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1757)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1763)

Photographic facts and formulas - Wall, E. J. (Edward John), 1860 -1928 (American photographic publishing co, 1924)

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

The physical and metaphysical works of Lord Bacon including the Advancement of learning and Novum Organum - Bacon, Francis, 1561 -1626 (G. Bell and Sons, 1904)

Physiological plant anatomy - Haberlandt, Gottlieb, 1854 -1945 (Macmillan and Co, 1914)

Physiologie comparee : metamorphoses de l'homme et des animaux - Quatrefages, A. de (Armand), 1810 -1892 (J.B. Baillie`re et Fils, 1862)

Die natürlichen Pflanzensysteme geschichtlich entwickelt - Zunck, Hermann Leopold. (Hinrichs, 1840)

Phytanthoza iconographia, sive, Conspectus aliquot millium : tam indigenarum quam exoticarum, ex quatuor mundi partibus longâ annorum serie indefesoque studio - Weinmann, Johann Wilhelm, 1683 -1741 (Per Hieronymum Lentzium, 1737)

Phytanthoza iconographia, sive, Conspectus aliquot millium : tam indigenarum quam exoticarum, ex quatuor mundi partibus longâ annorum serie indefesoque studio - Weinmann, Johann Wilhelm, 1683 -1741 (Per Hieronymum Lentzium, 1739)

Phytanthoza iconographia, sive, Conspectus aliquot millium : tam indigenarum quam exoticarum, ex quatuor mundi partibus longâ annorum serie indefesoque studio - Weinmann, Johann Wilhelm, 1683 -1741 (Per Hieronymum Lentzium, 1742)

Phytanthoza iconographia, sive, Conspectus aliquot millium : tam indigenarum quam exoticarum, ex quatuor mundi partibus longâ annorum serie indefesoque studio - Weinmann, Johann Wilhelm, 1683 -1741 (Per Hieronymum Lentzium, 1745)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1967)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1858)

Pinaceae: being a handbook of the firs and pines - Nelson, John. (Hatchard and co, 1866)

Pinax Theatri botanici Caspari Bauhini : ... sive Index in Theophrasti, Dioscoridis, Plinii et botanicorum qui à seculo scripserunt opera: plantarum circiter sex millium ab ipsis exhibitarum nomina cum earundem synonymiis & differentiis methodicè secundùm earum & genera & species proponens. Opus XL. annorum hactenus non editum summoperè expetitum & ad auctores intelligendos plurimùm faciens ... - Bauhin, Caspar, 1560 -1624 (sumptibus et typis Ludovici Regis, 1623)

Pioneer Seed House, nursery & greenhouse of the Northwest, 1883-1931 : 48th annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oscar H. Will & Co, 1931)

Pioneer Seed House, Nursery and Greenhouses of the Northwest, seed corn specialists : 1883-1932, 49th annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oscar H. Will & Co, 1932)

Piper nigrum, dissertatio medica ... - Thunberg, Carl Peter, 1743 -1828 (excudebant Palmblad &c, 1827)

Plant life, considered with special references to form and function - Barnes, Charles Reid, 1858 -1910 (H. Holt & company, 1898)

Plantae Asiaticae rariores, or, Descriptions and figures of a select number of unpublished East Indian plants - Wallich, N. (Nathaniel),‏ 1786 -1854 (Treuttel and Würtz, 1831)

Plantae preissianae sive enumeratio plantarum quas in australasia occidentali et meridionali-occidentali annis 1838-1841 collegit Ludovicus Preiss - Lehmann, Johann Georg Christian, 1792 -1860 (Sumptibus Meissneri, 1846)

Plantae selectae quarum imagines ad exemplaria naturalia Londini, in hortis curiosorum nutrita - Ehret, Georg Dionysius, 1708 -1770 (s.n.], 1750)

Plantarum seu stirpium historia - L'Obel, Matthias de, 1538 -1616 (Ex officina Christophori Plantini, 1576)

Plantarum, seu, Stirpium historia - L'Obel, Matthias de, 1538 -1616 (Ex officina Christophori Plantini, 1576)

Plantarum vascularium genera :secundum ordines naturales digesta eorumque differentiae et affinitates tabulis diagnostacis expositae - Weidmann. (Libraria Weidmannia, 1836)

Planting and growing papershell pecans profitably - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Texas Pecan Nursery, Incorporated, 1939)

Plants, bulbs, seeds to and from all over the world : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nurserymen's Exchange, 1947)

Plinius Secundus Nouocomensis equestribus militiis industriȩ functus, procurationes quoq[ue] splendidissimas atq[ue] continuas summa integritate administrauit ... - Pliny, the Elder, 23 or 24 -79 (Johannes de Spira)

Plinius secundus nouocomensis equestribus militiis industrie functus ... [line 12] Libros Naturalis Historiæ nouitiu camenis qritiu tuo opus natu apud me proxima fetura, &c. [Ends:–Colophon.] Quem modo tam rarum cupiens uix lector haber& : Quiq etiam fractus pene legendus eram : Restituit Venetis me nuper Spira Ioannes : Exscripsitq libros ere notante meos. Fessa manus quondam moneo : Calamusq quiescat. Nanq labor studio cessit studio cessit : & ingenio. M.CCCC.LXVIIII - Pliny, the Elder, 23 or 24 -79 (J. Spira)

The Plumfield Nurseries, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plumfield Nurseries, 1942)

Podostemacearum monographia - Tulasne, Louis René, 1815 -1885 (Typ. Plon, 1852)

Pontiac Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Company, 1940)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1883)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1872)

Les porcellanides et des brachyures / Alphonse Milne-Edwards et E. L. Bouvier - Milne-Edwards, Alphonse, 1835 -1900 (Printed for the Museum, 1923)

Porter-Walton's garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1948)

Portland roses, the world's best : hardy field grown - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Rose Nursery, Inc, 1938)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1962)

A practical treatise on pure fertilizers; and the chemical conversion of rock guanos, marlstones, coprolites, and the crude phosphates of lime and alumina generally, into various valuable products - Morfit, Campbell, 1820 -1897 (D. Van Nostrand, 1872)

The preferred stock for the trade : fall 1932-spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jackson & Perkins Company, 1932)

Preferred stock trade price list. Bulletin No. 3, January 17, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jackson & Perkins Company, 1935)

Price list, 1944, our 81st year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Clyde Nursery, 1944)

Price list, fall 1949–spring 1950 : roses, evergreens, trees, shrubs, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1949)

Price list from Henry Le Poire : hardy phlox our specialty - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Le Poire, 1955)

Price list, spring, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holloway's Dream Garden, 1940)

Primae lineae systematis naturæ : nexui naturali omnium evolutionique progressivae per nixus reascendentes superstructi - Gori͡aninov, Pavel Fedorovich, 1796 -1865 (Typis Karoli Krajanis, 1834)

The principal navigations, voyages, traffiques & discoveries of the English nation made by sea or over-land to the remote and farthest distant quarters of the earth at any time within the compasse of these 1600 yeeres - Hakluyt, Richard, 1552? -1616 (J. MacLehose and sons, 1903)

The principal species of wood: their characteristic properties - Snow, Charles H. (Charles Henry), 1863 - (J. Wiley & sons, 1903)

Principles of agricultural chemistry - Fraps, George Stronach, 1876 - (The Chemical Publishing Co, 1917)

Principles of stratigraphy - Grabau, Amadeus W. (Amadeus William), 1870 -1946 (A.G. Seiler and company, 1913)

Prize winning dahlias : we will release for 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.H. Robens, 1951)

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, 1915)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1935)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1938)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1956)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1959)

Proceedings - Cambridge Philosophical Society. Mathematical and physical sciences - Cambridge Philosophical Society. (Cambridge Philosophical Society [etc.], 1876)

Proceedings of Planning and Training Conference for Insect Population Suppression : Holiday Inn, Memphis, Tennessee, April 26-28, 1965 - United States. Entomology Research Division. (U.S. Dept. of Agriculture, Agricultural Research Service, Entomology Research Division, 1965)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1873)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1884)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1902)

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 American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1892)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1899)

Proceedings of the Asiatic Society of Bengal - Asiatic Society of Bengal ([The Society], 1869)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1935)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1972)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1992)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1996)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 2000)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 2002)

Proceedings of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1896)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1918)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1997)

Proceedings of the Canadian Institute - Glenny, George, 1793 -1874 (Canadian Institute, 1884)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1906)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1907)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1909)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1910)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1848)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1894)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1902)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1901)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1958)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 2000)

Proceedings of the Natural Science Association of Staten Island - Natural Science Association of Staten Island. (The Association, 1901)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1864)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1879)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1898)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1909)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1911)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1888)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1900)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1904)