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

Regimen sanitatis Salerni. The Schoole of Salernes most learned and iuditious directorie, or methodicall instructions, for the guide and gouerning the health of man : dedicated and sent by them, to the high and mighty king of England, and published (by consent of learned and skilfull physitions) for the good benefite of all in generall - Holland, Philemon, 1552 -1637 (Imprinted by Barnard Alsop, and are to be sold by Iohn Barnes, 1617)

Registro trimestre, ó, Colección de historia, literatura, ciencias y artes - Sociedad de literatos. (Oficina del Aguila, 1832)

Le Règne végétal; divisé en: Traité de botanique, Flore médicale, usuelle et industrielle, Horticulture théorique et pratique, Plantes agricoles et forestières, Histoire biographique et bibliographique de la botanique - Réveil, O. (Oscar), 1821 -1865 (L. Guérin, 1870)

Regni vegetabilis systema naturale, sive Ordines, genera et species plantarum secundum methodi naturalis normas digestarum et descriptarum - Candolle, Augustin Pyramus de, 1778 -1841 (sumptibus sociorum Treuttel et Würtz, 1821)

Reis door Noord Amerika - Kalm, Pehr, 1716 -1779 (J. van Schoonhoven en comp. [etc.], 1772)

Reise durch das Altai-Gibirge und die soongorische Kirgisen=Steppe : Auf Kosten der Kaiserlichen Universität Dorpat unternommen im jahre 1826 in Begleitung der Herren D. Carl Anton Meyer und D. Alexander von Bunge - Ledebour, Carl Friedrich von, 1785 -1851 (G. Reimer, 1830)

Reise durch die Wueste Atacama :auf Befehl der chilenischen Regierung im Sommer 1853-54 - Philippi, Rodolfo Amando, 1808 -1904 (E. Anton, 1860)

Reise von Orenburg nach Buchara : nebst einem Wortverzeichniss der Afgahnischen Sprache ; mit 2 Kupfern und dem Plane von Buchara - Eversmann, Eduard Friedrich, 1794 -1860 (Christiani, 1823)

Reisen in Amur-Land und auf der Insel Sachalin : im Auftrage der Kaiserlich-Russischen Geographischen Gesellschaft ausgefuehrt - Schmidt, Friedrich, 1832 -1908 (Commissionaires de l'Académie impériale des sciences, 1868)

Die Reizbewegungen der Pflanzen - Pringsheim, Ernst G. (Ernst Georg), 1881 - (J. Springer, 1912)

Reliquiae Formánekianae : enumeratio critica plantarum vascularium, quas itineribus in Haemo Peninsula et Asia Minore (Bithynia) factis collegit Dr. Ed. Formánek - Vandas, Karel, 1861 -1923 (Comitiorum Marchionatus Moraviae, 1909)

Reliquiae Haenkeanae seu Descriptiones et icones plantarum, quas in America meridionali et boreali, in insulis Philippinis et Marianas collegit Thaddaeus Haenke, philosophiae doctor, phytographus regis hispaniae - Presl, K. B. 1794 -1852 (J.G. Calve, 1835)

Reliquiae Haenkeanae, seu, Descriptiones et icones plantarum :quas in America meridionali et boreali, in insulis Philippinis et Marianis collegit Thaddaeus Haenke - Šternberg, Kašpar, Graf, 1761 -1838 (Apud J.G. Calve, 1830)

Remarks on the geographical distribution of British plants : chiefly in connection with latitude, elevation, and climate - Watson, Hewett Cottrell, 1804 -1881 (Printed for Longman, Rees, Orme, Brown, Green, and Longman, 1835)

Remberti Dodonaei ... Stirpium historiae pemptades sex, sive libri XXX. Varie ab auctore, paullo ante mortem, aucti & emendati - Dodoens, Rembert, 1517 -1585 (Ex officina Plantiniana, 1616)

Remberti Dodonaei ... Stirpium historiae pemptades sex, sive libri XXX - Dodoens, Rembert, 1517 -1585 (Ex officina Christophori Plantini, 1583)

Remberti Dodonaei ... trium priorum de stirpium historia commentariorum imagines ad viuum expressae :una cum indicibus, graeca, latina, officinarum, germanica, brabantica, gallicaq[ue] nomina complectentibus - Dodoens, Rembert, 1517 -1585 (ex officina Ioannis Loei, 1553)

Rendiconto delle adunanze e de' lavori dell'Accademia delle Scienze sezione della Società Reale Borbonica di Napoli - Accademia delle Scienze di Napoli (Società Reale Borbonica, 1843)

Répertoire des noms génériques mentionnés dans l'Index kewensis et ses quinze premiers suppléments = Guide to the generic names appearing in the Index Kewensis and its fifteen supplements = Repertorio de los nombres genericos enumerados en el Index Kewensis y sus quince suplementos = Repertorium der im Index Kewensis und seinen fuenfzehn ersten Supplementen erwaehnten Gattungsnamen - Rouleau, Ernest 1916 -1991 (Châtelain, 1981)

Repertorio fisico-natural de la isla de Cuba - Poey, Felipe, 1799 -1891 (Impr. del gobierno y capitanía general por S.M. [etc, 1866)

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

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1842)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1843)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1844)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1845)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1846)

Repertorium florae Ligusticae - De Notaris, Giuseppe, 1805 -1877 (Ex Regio Typographeo, 1844)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1906)

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

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

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

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

Report / Botanical Exchange Club and Society of the British Isles - Botanical Exchange Club; Society of the British Isles. (1913)

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

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1923)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1932)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1935)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1938)

Report / Haileybury Natural Science Society - Haileybury Natural Science Society. (1873)

Report of Dr. Torrey on the Botanical Department of the Survey. [Catalogue of plants.] - Torrey, John, 1796 -1873 (1890)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1838)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1860)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1896)

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1863)

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1884)

Report of the Folkestone Natural History Society - Folkestone Natural History Society. (1871)

Report of the geological exploration of the fortieth parallel - Eaton, Daniel Cady, 1834 -1895 (G.P.O, 1871)

Report of the Leeds Philosophical & Literary Society - Leeds Philosophical; Literary Society.

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1901)

Report of the Proceedings of the Society / Cheltenham College Natural History Society - Cheltenham College Natural History Society. (1889)

Report of the Proceedings of the Society / Cheltenham College Natural History Society - Cheltenham College Natural History Society. (1895)

Report of the Watson Botanical Exchange Club - Watson Botanical Exchange Club. (1916)

Report on the experimental culture of the opium poppy - Scott, John, 1823 -1888 (Bengal Secretariat Press, 1874)

Report on the geology, mineralogy, botany, and zoology of Massachusetts - Massachusetts. Geological Survey. (J.S. and C. Adams, 1835)

Report on the geology, mineralogy, botany, and zoology of Massachusetts : made and published by order of the government of that state : in four parts: Part I. Economical geology. Part II. T opographical geology. Part III. Scientific geology. Part IV. Catalogues of animals and plants : with a descriptive list of the specimens of rocks and minerals collected for the government : illustrated by numerous wood cuts and an atlas of plates - Massachusetts. Geological Survey. (Press of J.S. and C. Adams, 1833)

Report on the geology, mineralogy, botany, and zoology of Massachusetts - Massachusetts. Geological Survey. (Press of J.S. and C. Adams, 1833)

Report on the herbaceous flowering plants of Massachusetts, arranged according to the natural orders of Lindley, and illustrated chiefly by popular descriptions of their character, properties, and uses - Dewey, Chester, 1784 -1867 (Folsom, Wells, and Thurston, Printers to the University, 1840)

Report (to accompany bill S. no. 241) - Linn, Lewis Fields, 1795 -1843 (Blair & Rives, printers, 1838)

Report to the Lords Commissioners of His Majesty's Treasury of the Departmental Committee on Botanical Work and collections at the British Museum and at Kew, dated 11th March, 1901 - Great Britain. Committee on Botanical Work. (s.n, 1901)

Report upon natural history collections made in Alaska between the years 1877 and 1881 - Bean, Tarleton H. (Tarleton Hoffman), 1846 -1916 (Govt. Print. Off, 1887)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1859)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1853)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1860)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1903)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1914)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1901)

Reports on the herbaceous plants and on the quadrupeds of Massachusetts - Dewey, Chester, 1784 -1867 (Folsom, Wells, and Thurston, 1840)

Reports on the herbaceous plants and on the quadrupeds of Massachusetts : published agreeably to an order of the Legislature by the Commissioners on the Zoological and Botanical Survey of the State - Massachusetts. Zoological; Botanical Survey. (Folsom, Wells, and Thurston, 1840)

En resa til Norra America - Kalm, Pehr, 1716 -1779 (Tryckt på L. Salvii kostnad, 1753)

Resa uti Europa, Africa, Asia : förrättad åren 1770-1779 - Thunberg, Carl Peter, 1743 -1828 (Tryckt hos directeur. Joh. Edman, 1791)

Researches about atmospheric phenomena - Forster, T. (Thomas), 1789 -1860 (Printed for Harding, Mavor, and Lepard, 1823)

Resources of the southern fields and forests, medical, economical, and agricultural : being also a medical botany of the Confederate States; with practical information on the useful properties of the trees, plants and shrubs - Porcher, Francis Peyre, 1825 -1895 (Steam-power Press of Evans & Cogswell, 1863)

Resources of the southern fields and forests, medical, economical, and agricultural - Porcher, Francis Peyre, 1825 -1895 (Walker, Evans & Cogswell, printers, 1869)

Resources of the southern fields and forests, medical, economical, and agricultural being also a medical botany of the Confederate States : with practical information on the useful properties of the trees, plants and shrubs - Porcher, Francis Peyre, 1825 -1895 (Steam-power Press of Evans & Cogswell, 1863)

The Review of applied entomology Series A Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1916)

The Review of applied entomology Series A Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1920)

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

The Review of applied entomology Series A Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1922)

Revised checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1997)

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)

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

Revisio generum plantarum:vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum ... - Kuntze, Otto, 1843 -1907 (A. Felix [etc.], 1893)

A revision of Bastin's College botany for the use of students of pharmacy - Bastin, Edson S. (Edson Sewell), 1843 -1897 (G. P. Engelhard & co, 1920)

Revision of the flora of the Bombay presidency Parts III-XI Gramineae - Blatter, Ethelbert, 1877 -1934 (s.n.], 1927)

Revista de los Progresos de las Ciencias Exactas Fisicas y Naturales - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales, 1850)

Revista de los Progresos de las Ciencias Exactas Fisicas y Naturales - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales, 1864)

Revista de los Progresos de las Ciencias Exactas Fisicas y Naturales - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales, 1869)

Revista de sciencias naturaes e sociaes (Typ. Occidental, 1895)

Revue biologique du nord de la France (Le Bigot, 1889)