Observations of a naturalist in the Pacific between 1896 and 1899 - Guppy, H. B. (Henry Brougham), 1854 -1926 (Macmillan and co., limited, 1903)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1877)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1879)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1889)

Official guide to the museums of economic botany. No. 1, Dicotyledons - Royal Botanic Gardens, Kew. (Printed for H.M. Stationery Off., by Darling, 1907)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1973)

On the economic value of certain Australian forest trees, and their cultivation in California - Stearns, Robert E. C. (Robert Edwards Carter), 1827 -1909 ([Bacon & Co.], 1872)

Onomatologia botanica completa : oder Vollständiges botanisches Wörterbuch ; worinn nicht nur alle Kunstwörter übersetzt und erklärt, die bekannte [sic] Pflanzen nach der Lehrart des Ritters von Linne beschrieben, ihre verschiedene Namen nach den berühmtesten Schriftstellern angeführt, und eine kleine Lebensgeschichte der vornehmsten Kräuterkundigen beygefügt, sondern auch die Heilskräfte und der Nutzen, den die Arzney-Wissenschaft, Landwirtschaft, Färberey, Vieharzney- und Scheidekunst aus denselben ziehen, aus den besten Schriften dieser Art und aus eigener Erfahrung erläutert werden von einer Gesellschaft erfahrner Pflanzenkundiger - Gmelin, Johann Friedrich, 1748 -1804 ([publisher not identified], 1778)

Orchard & garden book, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1947)

Orchard and farm (Calkins Newspaper Syndicate, 1898)

Orchard and garden book : 1865-1950, 85th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Seed Company, 1950)

The organic constituents of plants and vegetable substances and their chemical analysis - Wittstein, Georg Christian, 1810 -1887 (MCarron, Bird & Co, 1878)

Ornamental shrubs and trees fruit trees shrub and tree seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Germain, 1934)

Ornamental trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1908)

An outline of plant geography (The Macmillan company, 1926)

Pacific science - University of Hawaii. (University Press of Hawaii, 1954)

Pacific science - University of Hawaii. (University Press of Hawaii, 1956)

Pacific science - University of Hawaii. (University Press of Hawaii, 1959)

Pacific science - University of Hawaii. (University Press of Hawaii, 1962)

Pacific science - University of Hawaii. (University Press of Hawaii, 1968)

Une page d'histoire de la medecine : la thérapeutique sous les premiers Césars - Lépine, R. (Raphael), 1840 -1919 (F. Alcan, 1890)

Die palaeobotanische Literatur : bibliographische Übersicht über die Arbeiten aus dem Gebiete der Palaeobotanik - Jongmans, W. (Willem), 1878 -1957 (Fischer, 1913)

Pamphlets on forestry in Hawaii (1900)

Pamphlets on silviculture (1899)

Papers and botanical notebooks of Thomas Frederick Cheeseman, 1867-1923 - Cheeseman, T. F. (Thomas Frederick), 1846 -1923 (1887)

Papers and botanical notebooks of Thomas Frederick Cheeseman, 1867-1923 - Cheeseman, T. F. (Thomas Frederick), 1846 -1923 (1867)

Park and cemetery - Haight, R. J. (Rufus J.) (R.J. Haight, 1899)

Parte práctica de botánica del caballero Cárlos Linneo, que comprehende las clases, órdenes, géneros, especies y variedades de las plantas, con sus caracteres genéricos y especificos, sinónimos mas selectos, nombres triviales, lugares donde nacen, y propriedades - Linné, Carl von, 1707 -1778 (En la Imprenta Real, 1784)

Pathologische Pflanzenanatomie. In ihren Grundzügen - Küster, Ernst, 1874 -1953 (G. Fischer, 1916)

Patterson's numbered check-list of North American plants north of Mexico - Patterson, Harry N. (Harry Norton), 1853 -1919 (Patterson, 1892)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1849)

Payne's garden guide, 1927 : seeds, plants and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1927)

Payne's garden guide [of] seeds, plants & trees : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1922)

Payne's garden guide [of] seeds, plants and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1918)

Payne's garden guide [of] seeds, plants and trees : 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1919)

Payne's garden guide [of] seeds, plants and trees : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1925)

Payne's garden guide : seeds, plants & trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1920)

Payne's garden guide : seeds, plants & trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1921)

Payne's garden guide seeds, plants & trees : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1923)

Payne's garden guide : seeds, plants and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1924)

Payne's garden guide : seeds, plants and trees : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1928)

Personal narrative of travels to the equinoctial regions of the New continent during the years 1799-1804 - Humboldt, Alexander von, 1769 -1859 (G. Bell, 1877)

Personal narrative of travels to the equinoctial regions of America, during the year 1799-1804 - Humboldt, Alexander von, 1769 -1859 (Bohn, 1852)

Personal narrative of travels to the equinoctial regions of America during the years 1799 - 1804 - Humboldt, Alexander von, 1769 -1859 (George Routledge, 1895)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1902)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1910)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1913)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1931)

Die Pflanzenstoffe, botanisch-systematisch bearbeitet ; chemische Bestandteile und Zusammensetzung der einzelnen Pflanzenarten, Rohstoffe und Produkte. Phanerogamen - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1911)

Die Pflanzenwelt Afrikas, insbesondere seiner tropischen Gebiete : Grundzge der Pflanzenverbreitung im Afrika und die Charakterpflanzen Afrikas - Engler, Adolf, 1844 -1930 (W. Engelman, 1910)

Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete - Engler, Adolf, 1844 -1930 (D. Reimer, 1895)

Phanerogamic flora of the divisions of Uitenhage and Port Elizabeth : with a sketch map - Schönland, S. 1860 - (Govt. Print. and Stationery Office, 1919)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1871)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1878)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1883)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain (J. & A. Churchill, 1872)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1876)

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)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1908)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1909)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1914)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1915)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1916)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1919)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1922)

Philosophia botanica - Linné, Carl von, 1707 -1778 (P. Marin, 1792)

Philosophia botanica : in qua explicantur fundamenta botanica cum definitionibus partium, exemplis terminorum, observationibus rariorum, adiectis figuris aeneis - Linné, Carl von, 1707 -1778 (Typis Joannis Thomae Trattner, 1755)

Philosophia botanica : in qua explicantur fundamenta botanica cum definitionibus partium, exemplis terminorum, observationibus rariorum, adjectis figuris aeneis - Linné, Carl von, 1707 -1778 (apud Godofr. Kiesewetter, 1751)

Philosophia botanica, in qua explicantur fundamenta botanica cum definitionibus partium, exemplis terminorum, observationibus rariorum, adjectis figuris aeneis - Linné, Carl von, 1707 -1778 (Typis J.T. Trattner, 1763)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1879)

Philosophie botanique de Charles Linné ... : dans laquelle sont expliqués les fondements de la botanique : avec les définitions de ses parties, les exemples des termes, des observations sur les plus rares ... - Linné, Carl von, 1707 -1778 (Cailleau, 1788)

The physical conditions and age indicated by the flora of the Alum Bluff formation - Berry, Edward Wilber, 1875 -1945 (Govt. print. off, 1916)

Phytochemie - Rochleder, Friedrich, 1819 -1874 (W. Engelmann, 1854)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeography of Eucalyptus in Australia - Chippendale, G M (Australian Government Publishing Service, 1985)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1937)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1933)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1958)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1957)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1959)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1966)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1979)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1985)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1995)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1998)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2018)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1850)

Phytoneuron (Guy L. Nesom, 2013)

Phytoneuron (Guy L. Nesom, 2020)

Pioneer Nursery of Monrovia : 1876-1927 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia, 1927)

Pioneer Nursery of Monrovia : [catalog] 1876-1925, forty-nine years experience - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia, 1925)

Pittier, plants of Venezuela, 1919 - 1920 - Pittier, Henri, 1857 -1950 (1919)

A plant ecology survey of the Tugela river basin, Natal - Edwards, Denzil (1967)

Plant geography - Boulger, George Simonds, 1853 -1922 (J. M. Dent & Son, 1912)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1919)