Plant studies; an elementary botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1905)

Plant studies; an elementary botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1900)

The Plant world - Plant World Association. (Plant World Association [etc.], 1900)

The Plant world - Plant World Association. (Plant World Association [etc.], 1904)

The Plant world - Plant World Association. (Plant World Association [etc.], 1905)

Plantae bakerianae - Greene, Edward Lee, 1843 -1915 (s.n, 1901)

Plantae Bakerianae - Greene, Edward Lee, 1843 -1915 (s.n, 1901)

Plantæ Bakerianæ - Greene, Edward Lee, 1843 -1915 (s.n, 1901)

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 Utowanae. Plants collected in Bermuda, Porto Rico, St. Thomas, Culebras, Santo Domingo, Jamaica, Cuba, The Caymans, Cozumel, Yucatan and the Alacran shoals. Dec. 1898-Mar. 1899. The Antillean cruise of the yacht Utowana. Mr. Allison V. Armour, owner and master - Millspaugh, Charles Frederick, 1854 -1923 (1900)

Plantarum Belgii confoederati indigenarum spicilegium : quo Dav. Gorteri viri cl. Flora VII. provinciarum loculetatur - Gorter, David de, 1717 -1783 (Apud Joannem van Kasteel, 1788)

Plantenkunde voor apothekers en artsen of beschrijvingen der geneeskrachtige planten : naar de natuurlijke familien van het plantenrijk - Vriese, W. H. de (Willem Hendrik), 1806 -1862 (C.C. van der Hoek, 1835)

Planterester i Norske torvmyrer : et bidrag til den norske vegetations historie efter den sidste istid - Holmboe, Jens 1880 -1943 (J. Dybwad, A.W. Brøggers boktr, 1903)

Plantes cellulaires - Montagne, Jean François Camille, 1784 -1866 (Gide, 1845)

Les plantes médicinales - Losch, Friedrich. (Vigot Frères, 1906)

Les plantes - Faideau, Ferdinand, 1862 -1930? (Larousse, 1922)

Les plantes utiles des colonies françaises - Lanessan, J.-L. de Jean Louis 1843 -1919 (Impr. nationale, 1886)

The planting and care of shade trees - Smith, John Bernhard, 1858 -1912 (State gazette publishing co., printers, 1912)

Plantkundig woordenboek voor Nederlandsch Indië : met korte aanwijzingen van het geneeskundig- en huishoudelijk gebruik der planten, en vermelding der verschillende inlandsche wetenschappelijke benamingen - Filet, G. J., 1825 -1891 (J.H. de Bussy, 1888)

Plants; a text-book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton and company, 1900)

Plants of Iowa; a preliminary list of the native and introduced plants of the state, not under cultivation - Greene, Wesley. (Bishard brothers, printers, 1907)

Plants of Monroe County, New York, and adjacent territory : second supplementary list - Baxter, Milton S. (Rochester Academy of Science, 1917)

Plants of possible insecticidal value : a review of the literature up to 1941 - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945)

Plants of Rhode Island : being an enumeration of plants growing without cultivation in the State of Rhode Island - Bennett, James Lawrence, 1832 -1904 (Providence Press, 1888)

Plants; a text-book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton, 1907)

Plants : a text-book of botany - Coulter, John Merle, 1851 -1928 (D. Appleton and Company, 1907)

Platanaceae through Myricaceae of New York State - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1988)

Poatkowé rostlinoslowí - Presl, Jan Svatopluk, 1791 -1849 (W kommissí u Kronbergra a iwnáe, 1848)

Polskie pismo entomologiczne = Polish journal of entomology = Bulletin entomologique de Pologne - Polski Zwiazek Entomologiczny (Panstwowe Wydawn. Naukowe, 1923)

Polskie pismo entomologiczne = Polish journal of entomology = Bulletin entomologique de Pologne - Polski Zwiazek Entomologiczny (Panstwowe Wydawn. Naukowe, 1924)

The Polyporaceae of Wisconsin - Neuman, Julius John. (The State, 1914)

Popular botany; the living plant from seed to fruit - Step, Edward, 1855 -1931 (H. Holt and company, 1913)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1886)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1889)

Popular Science Review (1863)

Popular Science Review (1878)

Populäre Botanik oder gemeinfassliche Anleitung zum Studium der Pflanze und des Pflanzenreiches. Zugleich ein Handbuch zum Bestimmen der Pflanzen auf Excursionen - Schmidlin, Eduard, 1808? -1890 (Krais & Hoffmann, 1857)

Potter's cyclopaedia of botanical drugs and preparations - Holmes, E. M. (Edward Morell), 1843 -1930 (Potter & Clarke, 1915)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1884)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1894)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1901)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn and company, 1911)

Practical botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1911)

Practical foresty; a popular handbook on the rearing and growth of trees for profit or ornament - Webster, A. D. (Angus Duncan), 1855 -1931 (W. Rider, 1917)

Practical hints for the field lepidopterist I - Tutt, James William, 1858 -1911 (E. Stock, 1908)

Practical tree repair; the physical repair of trees; bracing and the treatment of wounds and cavities - Peets, Elbert, 1886 -1968 (R.M. McBride, 1916)

Practical tree repair; the physical repair of trees–bracing and the treating of wounds and cavities - Peets, Elbert, 1886 -1968 (McBride, Nast & company, 1913)

The practice of forestry, concerning also the financial aspect of afforestation - Maw, Percival Trentham. (T.F. Unwin, 1909)

The practice of forestry : concerning also the financial aspects of afforestation - Maw, Percival Trentham. (T. F. Unwin, 1909)

The practice of silviculture, with particular reference to its application in the United States - Hawley, Ralph C. (Ralph Chipman), 1880 -1971 (Wiley, 1921)

The practice of silviculture : with particular reference to its application in the United States - Hawley, Ralph C. (Ralph Chipman), 1880 -1971 (John Wiley & Sons, Inc, 1921)

A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the Survey, 1881)

... A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the survey, 1881)