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)

Reise durch einige der mittlern und su¨dlichen Vereinigten Nordamerikanischen Staaten, nach Ost-Florida und den Bahama Inseln unternommen in den jahren 1783 und 1784 - Schöpf, Johann David, 1752 -1800 (J.U. & C.G. Lloyd, 1911)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1892)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1904)

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

Repertorium commentationum a societatibus litterariis editarum - Reuss, Jeremias David, 1750 -1837 (apud Henricum Dieterich, 1802)

Report - Singapore Agri-Horticultural Society. (Printed at the Straits Times Press, 1866)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1882)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1895)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1905)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1857)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1884)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1906)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1938)

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

Report on the forests of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (G.P.O, 1884)

Report on the forests of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Govt. print. off, 1884)

Report on the forests of North America, exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Govt. Print. Off, 1884)

Report upon forestry. From the committee appointed to memorialize Congress and the state legislatures, regarding the cultivation of timber and the preservation of forests - Hough, Franklin Benjamin, 1822 -1885 (Govt. Print. Off, 1878)

Reports and papers on botany - Grisebach, A. (August), 1814 -1879 (Printed for the Ray society, 1846)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1890)

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, 1788)

Researches on fungi - Buller, A. H. Reginald (Arthur Henry Reginald), 1874 -1944 (Longmans, Green, 1958)

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)

Retail catalog : spring & summer 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Japanese Nursery, 1931)

Retail catalog, spring 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lehigh Valley Nurseries Inc, 1954)

Retail catalogue for spring and fall of 1885, of fruit and ornamental trees, flowering shrubs, roots, &c - Brackenridge, William D. (William Dunlop), 1810 -1893 (Rosebank Nurseries, 1885)

Retail catalogue : spring 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lindley Nurseries Inc, 1956)

Retail list : shrubs and trees, vines and perennials, 1938-1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1938)

Retail list : shrubs, vines, trees, perennials, roses, ferns, espaliers, herbs, camellias, ground covers, fertilizers, insecticides, pots 1947-1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1947)

Retail price list : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lindley Nurseries Inc, 1927)

Retail price list, 1937 : shrubs, trees, vines, palms, ferns, bedding plants, flowering plants and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward H. Rust, 1937)

Retail price list, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Incorporated, 1941)

Retail price list : fall 1928-spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Valdesian Nurseries, 1928)

Retail price list : January 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo Nurseries, 1959)

Review of applied mycology - Commonwealth Mycological Institute, Kew, Eng. (Commonwealth Mycological Institute, 1922)

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)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1978)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1949)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1960)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1963)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1970)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1974)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1975)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1982)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1973)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1887)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1888)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1893)

Revue de la flore des environs de Spa - Lejeune, Alexandre Louis Simon, 1779 -1858 (Duvivier, 1824)

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1976)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1900)

Revue des sciences naturelles (1879)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1893)

Revue des sciences naturelles de l'ouest - Institut international de bibliographie scientifique. (Revue des sciences naturelles de l'ouest, 1894)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1851)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1862)

Revue générale de botanique (Libraire générale de l'enseignement, 1890)

Revue générale de botanique (Libraire générale de l'enseignement, 1894)

Revue générale de botanique (Libraire générale de l'enseignement, 1903)

Revue générale de botanique (Libraire générale de l'enseignement, 1905)

Revue générale de botanique (Libraire générale de l'enseignement, 1906)

Revue générale de botanique (Libraire générale de l'enseignement, 1913)

Revue générale de botanique (Libraire générale de l'enseignement, 1914)

Revue horticole (Librairie agricole de la maison rustique, 1853)

Revue horticole (Librairie agricole de la maison rustique, 1856)

Revue horticole (Librairie agricole de la maison rustique, 1861)

Revue horticole (Librairie agricole de la maison rustique, 1862)

Revue horticole (Librairie agricole de la maison rustique, 1864)

Revue horticole (Librairie agricole de la maison rustique, 1872)

Revue horticole (Librairie agricole de la maison rustique, 1885)

Revue horticole (Librairie agricole de la maison rustique, 1886)

Revue horticole (Librairie agricole de la maison rustique, 1887)

Revue horticole (Librairie agricole de la maison rustique, 1889)

Revue horticole (Librairie agricole de la maison rustique, 1899)

Revue mycologique (Bureaux de la rédaction, 1891)

Revue mycologique (Bureaux de la rédaction, 1896)

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1888)

La Revue scientifique du Limousin - Le Gendre, Charles. (Impr.-Librairie Ve. H. Ducourtieux, 1893)

La Revue scientifique du Limousin - Le Gendre, Charles. (Impr.-Librairie Ve. H. Ducourtieux, 1920)

La Revue scientifique du Limousin - Le Gendre, Charles. (Impr.-Librairie Ve. H. Ducourtieux, 1909)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1985)

Rhododendrons - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G.G. Nearing, 1937)

Rhododendrons - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G.G. Nearing, 1936)

Rhododendrons and azaleas, spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph B. Gable, 1937)

Rhododendrons, boxwood, azaleas, clematis, novelties, bay trees, hardy plants, evergreens : novelties bulbs, cannas novelties, palms, araucarias, ferns, vines, orchids, flowering shrubs, ornamental grasses and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1902)

Rich's - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rich & Sons Nursery, 1956)

Richmond Nursery catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richmond Nursery, 1928)

Die Riesen der Pflanzenwelt - Mielck, Eduard. (C.F. Winter, 1863)

Riviera nature notes : a popular account of the more striking plants and animals of the Riviera and the Maritime Alps - Comerford Casey, G. E. (George Edward), 1846 -1912 (Labour Press limited, 1898)

Riviera nature notes / a popular account of the more striking plants and animals of the Riviera and the Maritime Alps - Comerford Casey, G. E. (George Edward), 1846 -1912 (Bernard Quaritch, 1903)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1899)

Rivista italiana di paleontologia - Fornasini, Carlo. (Rivista italiana di paleontologia, 1895)

Rivista italiana di paleontologia - Fornasini, Carlo. (Rivista italiana di paleontologia, 1897)

Robinson's North Shore Gardens [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robinson's North Shore Gardens, 1927)

Rochester and district; a sketch-guide to its geology, flora, & fauna - Hepworth, J. (Parrett & Neves, 1913)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1979)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1921)

Rosedale's Nurseries 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale's Nurseries Inc, 1950)

Roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Port Stockton Nursery, 1941)

Roses : also fruit trees, trees, shrubs, herbaceous and rock plants, garden seeds and bulbs : catalogue 1935-36 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chaplin Bros. Ltd, 1935)

Roses, ornamental trees and shrubs, fruit trees, berry vines, perennial plants, garden requisites, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sunset Nursery Co., Incorporated, 1942)

Roses, ornamental trees and shrubs, fruit trees, berry vines, perennial plants, garden requisites, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sunset Nursery Co., Incorporated, 1941)

Roy Carter, Seedsman : wholesale list to trade only, summer list, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roy Carter Seedsman, 1958)

The Royal Botanic Garden Edinburgh 1670-1970 - Fletcher, Harold R. (Her Majesty's Stationery Office, 1970)

Rozpravy české akademie císaře Františka Josefa pro vědy, slovesnost a umění Třída II Mathematicko-přírodnicka - Česka akademie Císaře Františka Josefa pro vědy slovenost a umění. Třida II: Mathematicko-přírodnická. (1913)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1903)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1938)

Russellville Nurseries Inc., 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Russellville Nurseries Inc, 1928)

Rustic adornments for homes of taste - Hibberd, Shirley, 1825 -1890 (W.H. and L. Collingridge, 1895)

Samuel C. Moon's descriptive catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Samuel C. Moon, 1889)

The Scale - Systematic Entomology Laboratory (U.S.) (Systematic Entomology Lab, 1983)

Schilderung der deutschen Pflanzenfamilien; vom botanisch-descriptiven und physiologisch-chemischen Standpunkte - Hoffmann, Hermann, 1819 -1891 (Wirth, 1851)

Schriften der Berlinischen Gesellschaft naturforschender Freunde ; mit Kupfern - Gesellschaft Naturforschender Freunde zu Berlin. (Im Verlage der Buchhandlung der Realschule, 1781)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1911)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1904)

Schweizerische Zeitschrift für Land- und Gartenbau (Verlag von Meyer und Zeller, 1844)

Schweizerische Zeitschrift für Land- und Gartenbau (Verlag von Meyer und Zeller, 1845)

Science - American Association for the Advancement of Science. ([s.n.], 1915)

Science and practice in farm cultivation - Buckman, James, 1816 -1884 (R. Hardwicke, 1865)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1896)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1897)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1899)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1900)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1901)

Science progress - Burdett, Henry C., Sir, 1847 -1920 (Scientific Press, 1894)

The Scientific monthly - American Association for the Advancement of Science. (American Association for the Advancement of Science [etc.])

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1912)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1913)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1916)

The Scientific transactions of the Royal Dublin Society - Royal Dublin Society. (The Society, 1890)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1970)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1976)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1984)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2003)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2012)