An outline of the theory of organic evolution, with a description of some of the phenomena which it explains - Metcalf, Maynard M. (Maynard Mayo), 1868 -1940 (The Macmillian company; [etc., etc.], 1904)

An outline of the theory of organic evolution, with a description of some of the phenomena which it explains - Metcalf, Maynard M. (Maynard Mayo), 1868 -1940 (The Macmillian company; [etc., etc.], 1906)

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, 1866)

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, 1878)

Pagurid crabs of the western North Atlantic south of Cape Hatteras - Wass, Marvin L. (Marvin Leroy),‏ ‎ 1922 - (1959)

Palaeontographica Americana - Paleontological Research Institution (Ithaca, N.Y.) (Paleontological Research Institution, 1956)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1868)

Papers on Diptera - Meade, Richard Henry 1814 -1899 (Smithsonian Institution, 1882)

Papilio - Edwards, Henry, 1827 -1891 (New York Entomological Club, 1881)

Papilio - Edwards, Henry, 1827 -1891 (New York Entomological Club, 1882)

Papilio - Edwards, Henry, 1827 -1891 (New York Entomological Club, 1884)

Peonies and irises - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Home Garden Company, 1935)

Peonies and irises, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Indian Spring Farms, Inc, 1929)

Peonies, irises, gladiolus - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Indian Spring Farms, Inc, 1931)

Peonies, irises, gladiolus - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Indian Spring Farms, Inc, 1930)

Peonies, irises, poppies : price list, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (LeGron Floral Co, 1936)

Peonies, irises, poppies : price list, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (LeGron Floral Co, 1937)

Peonies, irises, poppies : price list, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (LeGron Floral Co, 1938)

Peonies, irises, poppies : price list, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (LeGron Floral Co, 1939)

Peonies, irises, tulips : fall 1926 spring 1927 : wholesale price list of the Sam Carpenter Gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sam Carpenter Gardens, 1926)

Peonies, irises, tulips, gladiolus, lilies [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Indian Spring Farms, 1926)

Perennial plants from all over the world, rock plants and floral novelties : fall 1925-spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1925)

Perennial plants from all over the world, rock plants and floral novelties : fall 1926-spring 1927 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1926)

Perennial plants from all over the world, rock plants and floral novelties : fall 1924-spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1924)

Perennial plants from all over the world, rock plants and floral novelties : fall 1923-spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1923)

Perennial plants from all over the world, rock plants and floral novelties : fall 1922-spring 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1922)

Periódico zoológico - Sociedad Entomológica Argentina. (Sociedad Entomica Argentina, 1874)

Petites nouvelles entomologiques (E. Deyrolle, 1869)

Pflanzen-Sammlung des Leichtlin'schen Gartens in Baden-Baden - Leichtlin, Max. (Max Leichtlin, 1873)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2013)

The Philosophical magazine : comprehending the various branches of science, the liberal and fine arts, geology, agriculture, manufactures and commerce (Richard Taylor and Co, 1802)

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

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)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1983)

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)

Pinax botanonymos polyglottos katholikos, Index nominum plantarum universalis, : diversis terrarum, gentiúmque linguis, quotquot ex auctoribus ad singula plantarum nomina excerpi & juxta seriem A.B.C. collocari potuerunt, ad unum redactus, videlicet: Europaeorum Latinâ sive vetere Romanâ, Graecâ antiquâ, Italicâ cum suis, Hetruriâe, Istriae, Venetorum, Forojuliensium, nec non insularum adjacentum Malthae, Cretae vel Candiae, Lesbi, &c. Dialectis, Hispanicâ, Lusitanicâ & in ea regnorum Cataloniae, Valentiae, &c. Gallicâ vetere & neotericâ cum suis, Burgundiae, Narbonae, Parisiensium, &c. idiomatibus. Anglicâ, Scoticâ & Irlandicâ. it: Danicâ, Germanicâ cum suis, Silesiorum, Marchicorum, Pomeranorum, Borussorum &c. sermonum proprietatibus. Belgicâ cum sua Brabanticâ. Bohemicâ, Polonicâ, Lituanicâ, Vinidicâ, Rutenicâ, Wallachicâ olim Dacicâ, Hungaricâ, Sclavonicâ, Croaticâ. &c. Asiaticorum, Hebraeâ, Chaldaicâ, Syriacâ, Arabicâ, Turcicâ cum sua Tripolitana, &c. Tartaricâ, Persicâ, Malabaricâ, Bramanicâ olim Brachmanicâ, prophetarum, magorúmq[ue], veterum, Zeilanicâ sive Cingalicâ, Javanicâ, Bengalicâ, Sinicâ, Japonicâ, Malaicâ, Coreicâ. &c. Africanorum Aegyptiacâ, Aethiopicâ, Mauritanicâ sive Barbaricâ & Tunensium, cum poenorum antiqua, Canaricâ & Madagascaricâ. Americanorum, Brasilianâ, Virginianâ, Mexicanâ & adjacentium populorum aliorúmq[ue] in insulis, & continente solo, hinc inde habitantium, quorum sermonum nomina non omnibus, sed quibusdam tantùm plantis, quotquot apud auctores reperta fuerunt, sparsim adposita sunt. Characteribus Latinorum, Graecorum & Germanorum maximè per Europam usitatis conscriptus, & ita concinnatus, ut plantarum genera, species, colorum & quarumvis partium differentiae, quotquot erudicti ad hunc usque diem adnotarunt , ordine legitimo inter se collocarenrur: citatis (quod improbum laborem requisivit) classicorum auctorum & eorum, qui in plerisque suprâ laudatis linguis scripserunt, locis genuinis & correctis, ab ipso Hippocrate ad nostri s - Mentzel, Christian, 1622 -1701 (Sumptibus auctoris. Prostat apud Danielem Reichelium. Ex officina Rungiana, 1682)

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

Pliny's natural history in thirty-seven books - Pliny, the Elder, 23 or 24 -79 (Barclay, 1847)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1910)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1909)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1912)

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)

Popular conchology : or, The shell cabinet arranged: being an introduction to the modern system of conchology, with a sketch of the natural history of the animals, an account of the formation of the shells, and a complete descriptive list of the families and genera - Catlow, Agnes, 1807? -1889 (Longman, Brown, Green, and Longmans, 1843)

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)

A preliminary catalogue of the shell-bearing marine mollusks and brachiopods of the southeastern coast of the United States, with illustrations of many of the species - Dall, William Healey, 1845 -1927 (Govt. Print. Off, 1903)

Die preussische expedition nach Ost-Asien : nach amtlichen quellen V. 1 Zoologischer theil - Martens, Eduard von, 1831 -1904 (R. v. Decker, 1876)

Price list : 1914-1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Dean Iris Gardens, 1914)

Price list : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wing Seed Company, 1922)

Price list for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wing Seed Co, 1921)

Price list : May 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Movilla Gardens, 1925)

Proceedings - Entomological Society of Canada (1863-1871) (Entomological Society of Ontario, 1900)

Proceedings - Entomological Society of Canada (1863-1871) (Entomological Society of Ontario, 1895)

Proceedings (and Annual Report) of the Holmesdale Natural History Club, Reigate - Holmesdale Natural History Club. (1893)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1978)

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, 1886)

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, 1900)

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, 1962)

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, 1880)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1885)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1912)

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, 1875)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1904)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1929)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1948)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1859)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1866)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1892)

Proceedings of the California Academy of Natural Sciences - California Academy of Natural Sciences (The Academy, 1863)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1942)

Proceedings of the Davenport Academy of Natural Sciences - Davenport Academy of Natural Sciences. (Academy of Natural Sciences [etc.], 1876)

Proceedings of the Davenport Academy of Natural Sciences - Davenport Academy of Natural Sciences. (Academy of Natural Sciences [etc.], 1885)

Proceedings of the Entomological Society of Philadelphia - American Entomological Society. ([Printed by the Society], 1864)

Proceedings of the Essex Institute - Essex Institute. (Essex Institute Press, 1860)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1877)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1886)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1888)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1890)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1913)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 2001)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1897)

Proceedings of the Malacological Society of London - Malacological Society of London (Dulau, 1915)

Proceedings of the Manchester Literary and Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1885)

Proceedings of the Pacific Coast Entomological Society - Pacific Coast Entomological Society ([The Society], 1901)

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

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1898)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1899)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1901)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1908)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1919)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1920)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1924)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1895)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1898)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1913)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1915)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1921)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1928)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1951)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1847)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1855)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1863)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1865)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1866)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1867)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1871)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1873)