Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1864)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1866)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1869)

Proof-sheets of a bibliography of the languages of the North American Indians - Pilling, James Constantine, 1846 -1895 (Govt. Print. Off, 1885)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1975)

Pteridologia : a publication of the American Fern Society - American Fern Society. (The Society, 2012)

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Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1937)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1944)

The published writings of George Newbold Lawrence, 1844-1891 - Foster, Lyman Spalding. (Govt. Print. Off, 1892)

Quarterly journal of conchology (D. Bogue, 1876)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1892)

The Record of zoological literature (J. van Voorst, 1867)

The Record of zoological literature (J. van Voorst, 1868)

The Record of zoological literature (J. van Voorst, 1869)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1904)

Reisen in Ost Afrika in 1859-61. Band III : Abteilung 3 Botanik - Decken, Karl Klaus von der, freiherr, 1833 -1865 ([s.n.], 1879)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1919)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1905)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1907)

Repertorium specierum novarum regni vegetabilis. Beihefte (Verlag des Repertoriums, 1919)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1909)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1910)

Repertorium specierum novarum regni vegetabilis. Beihefte (Verlag des Repertoriums, 1923)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1911)

Repertorium specierum novarum regni vegetabilis. Beihefte (Verlag des Repertoriums, 1911)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1912)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1913)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1914)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1917)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1919)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1920)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1922)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1920)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1872)

Report on the fossil plants of the auriferous gravel deposits of the Sierra Nevada / by Léo Lesquereux - Lesquereux, Léo, 1806 -1889 (Welch, Bigelow, and Company, University Press, 1878)

Report on the invertebrata of Massachusetts : comprising the mollusca, crustacea, annelida, and radiata - Gould, Augustus A. (Augustus Addison), 1805 -1866 (Folsom, Wells, and Thurston, 1841)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1887)

Reports on the noxious, beneficial and other insects, of the state of New York. Made to the State agricultural society, pursuant to an annual appropriation for this purpose from the legislature of the state - Comstock, Anna Botsford, 1854 -1930 (C. Van Benthuysen, printer [etc.], 1856)

Research methods in ecology - Clements, Frederic E. (Frederic Edward), 1874 -1945 (University Pub. Co, 1905)

Review of American birds in the Museum of the Smithsonian Institution. Part 1 - Baird, Spencer Fullerton, 1823 -1887 (Smithsonian Institution, 1872)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1919)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1921)

Revisio generum plantarum vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum, mit erläuterungen - Kuntze, Otto, 1843 -1907 (A. Felix [etc., etc.], 1891)