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

Report and Transactions / East Kent Scientific and Natural History Society - East Kent Scientific; Natural History Society. (1901)

Report / Botanical Exchange Club - Botanical Exchange Club. (1877)

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. (1916)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1917)

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. (1926)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1928)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1929)

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, chemical and medical, of the Airthrey mineral springs : and a list of phænogamous plants collected in their vicinity - Royal College of Physicians of Edinburgh. (J. Hewit, 1831)

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

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1900)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1837)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1885)

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

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1882)

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1883)

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

Reputation garden guide : flower seeds, garden seeds, garden bulbs, grass seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Duluth Floral Co, 1930)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1897)

Retail price list of bulbs, plants from Giese's Bulb and Flower Garden : fall 1934, spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.L. Giese, 1934)

Retail price list [of] fruit, shade and ornamental trees, vines and shrubs : fall, 1924-spring, 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albany Nurseries, 1924)

Retail price list of the Reading Nursery : ornamental, deciduous, shade, and evergreen trees and shrubs, conifers, and hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1888)

Retail seed catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sioux City Nursery and Seed Company, 1897)

A review of the modern state of botany, with a particular reference to the natural systems of Linnaeus and Jussieu - Smith, James Edward, 1759 -1828 (Longman, Rees, Orme, Brown, Green, and Longman, 1832)

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 ... - Kuntze, Otto, 1843 -1907 (A. Felix [etc.], 1898)

Revision of Paleozoic Stelleroidea, with special reference to North American Asteroidea - Schuchert, Charles, 1858 -1942 (Govt. print. off, 1915)

A revision of the lepidopterous family Sphingidae. Novitates zoologicae. Vol. IX. Supplement, v. 2 - Rothschild, Lionel Walter Rothschild, Baron, 1868 -1937 (Printed by Hazell, Watson & Viney, Ld, 1903)

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, 1855)

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 bryologique - Laboratoire de cryptogamie (Muséum national d'histoire naturelle) (Laboratoire de cryptogamie, 1882)

Revue bryologique - Laboratoire de cryptogamie (Muséum national d'histoire naturelle) (Laboratoire de cryptogamie, 1900)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1885)

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, 1891)

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

Revue de botanique systématique et de géographie botanique - Rouy, Georges, 1851 -1924 (E. Deyrolle, 1903)

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1975)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1905)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1887)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1893)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1895)

Revue générale de botanique (Libraire générale de l'enseignement, 1895)

Revue générale de botanique (Libraire générale de l'enseignement, 1904)

Revue générale de botanique (Libraire générale de l'enseignement, 1911)

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

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

Revue générale de botanique (Libraire générale de l'enseignement, 1920)

Revue générale de botanique (Libraire générale de l'enseignement, 1922)

Revue horticole (Librairie agricole de la maison rustique, 1844)

Revue horticole (Librairie agricole de la maison rustique, 1852)

Revue horticole (Librairie agricole de la maison rustique, 1880)

Revue horticole (Librairie agricole de la maison rustique, 1890)

Revue horticole (Librairie agricole de la maison rustique, 1896)

Revue horticole (Librairie agricole de la maison rustique, 1909)

Revue mensuelle de la Société entomologique namuroise - Société entomologique namuroise. (Société entomologique namuroise, 1909)

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1891)

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1897)

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

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1963)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1976)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1978)

Revue zoologique africaine (Hayez, 1913)

R.H. Shumway's 1916 seed catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.H. Shumway, 1916)

R.H. Shumway's 1934 catalog, the pioneer American seedsman special offer - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.H. Shumway, 1934)

R.H. Shumway's 1935 catalog, the pioneer American seedsman special offer - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.H. Shumway, 1935)

R.H. Shumway's 1936 catalog, the pioneer American seedsman special offer - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.H. Shumway, 1936)

R.H. Shumway's catalogue : 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.H. Shumway, 1913)

R.H. Shumway’s illustrated garden guide : 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.H. Shumway, 1905)

Rheinische Flora. Beschreibung der wildwachsenden und cultivirten Pflanzen des Rheingebietes vom Bodensee bis zur Mosel und Lahn, mit besonderer Beru¨cksichtigung des Grossherzogthums Baden - Döll, Johann Christof, 1808 -1885 (H.L. Brnner, 1843)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1900)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1903)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1917)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1924)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1931)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1937)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1953)

ri ben zhi wu ming hui - Honda, Masaji 本田正次 1897 -1984 (san sheng tang)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1901)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1890)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1906)

Rock garden and alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Meadowview Rock Gardens, 1934)

Rock garden and dwarf plant list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (La Rochette Nursery, 1949)

The rock garden plant list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charlotte Nurseries, 1934)

Rock-garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.E. Marshall & Co., Inc, 1925)

Rock garden plants, hardy plants, dahlias, iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hughel Gardens, 1932)

Rock gardening for amateurs - Thomas, H. H. (Harry Higgott) (Cassell and company, limited, 1914)

Rock-gardens and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hengel Bros, 1930)

Rock gardens: how to make and maintain them - Meredith, Lewis B. (Williams & Norgate, 1910)

Rock gardens; how to make and maintain them - Meredith, Lewis B. (C. Scribner's sons, 1914)

Rock plants & alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1928)

Rock plants & perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Logan Nurseries, 1930)

Rock plants and iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1934)

Rock plants and iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1938)

Rock plants and iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker Gardens, 1936)

Rock plants and iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1937)

Rock plants and perennials : 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Logan Nurseries, 1932)

Rock plants, perennials : wholesale price list, fall 1945, spring 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1945)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1976)

Roehrs Nursery : at the sign of the tree - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1917)

Roehrs Nursery : at the sign of the tree - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1919)

Roehrs Nursery : at the sign of the tree : [catalog] - Roehrs, Julius, Company. (Julius Roehrs Co, 1917)

Die rohstoffe des pflanzenreiches; versuch einer technischen rohstofflehre des pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1903)

Die Rohstoffe des Pflanzenreiches; Versuch einer technischen Rohstofflehre des Pflanzenreiches, unter Mitwirkung von Max Bamberger [et. el.] - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1900)

Die Rohstoffe des Pflanzenreiches; Versuch einer technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1914)

Die Rohstoffe des Pflanzenreiches versuch einer technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1873)

Die Rohstoffe des Pflanzenreichs : versuch einer Technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1921)

The romance of plant life, interesting descriptions of the strange and curious in the plant world - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (J. B. Lippincott, 1907)

Die Rosen des südlichen und mittleren Frankenjura : ihr System und ihre Phylogenetischen Beziehungen, erörtert mit Hinsicht auf die ganze Gattung Rosa und das allgemeine Deszendenzproblem - Schwertschlager, Joseph. (Isaria, 1910)

Rosen und Sommerblumen : mit einem Anhang über Gruppenpflanzen, Frühlingsblumen, und Balkonpflanzen - Mütze, Wilhelm. (J. J. Weber, 1910)

Roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1936)

Roses, ornamental trees and shrubs, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1935)

Roses, perennials, climbing plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1937)

Roses, perennials, shrubs and evergreens, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1934)

Ross Bros. annual catalogue : seeds and implements - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros, 1905)

Ross Bros. annual seed and implement catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros, 1904)

Ross Bros. Co. 1914 [catalog of] vegetable, grass and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1914)

Ross Bros. Co. seeds and annual agricultural goods [catalog] : spring 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bro's. Co, 1911)

Ross Bros. Co seeds, implements, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Company, 1929)

Ross Brothers seed book. 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Seed Co, 1917)

Ross Brothers seed book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Seed House, 1915)

Ross Brothers seed book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Seed House, 1916)

Ross Brothers seed book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Seed House, 1914)

Ross Brothers' seed book. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Seed Co, 1918)

Ross' seed grows, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bro's. Co, 1930)

Ross' seed grows, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bro's. Co, 1931)

Ross seeds, farm equipment, dairy and poultry supplies, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1939)

Ross seeds, farm equipment, dairy and poultry supplies, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1940)

Ross seeds, farm machinery, poultry supplies, insecticides, fertilizers, tools, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1934)

Ross seeds, farm machinery, poultry supplies, insecticides, fertilizers and tools : 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1938)