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

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1963)

Revue des sciences naturelles (1879)

Revue des sciences naturelles (1881)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1882)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1883)

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, 1890)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1897)

Revue générale de botanique (Libraire générale de l'enseignement, 1902)

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

Revue générale de botanique (Libraire générale de l'enseignement, 1918)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1904)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1910)

[R.G. Chase & Co. (Geneva, N.Y.) materials] - R.G. Chase & Co. (Geneva, N.Y.) (1883)

Rheinisches Jahrbuch für Gartenkunde und Botanik (E. Strauss, 1883)

The rhododendron and "American plants." : A treatise on the culture, propagation, and species of the rhododendron; : with cultural notes upon other plants which thrive under like treatment, and descriptions of species and varieties; : with a chapter upon herbaceous plants requiring similar culture - Rand, Edward Sprague, Jr., 1834 -1897 (Hurd and Houghton, 1876)

The rhododendron and "American plants". A treatise on the culture, propagation, and species of the rhododendron; with cultural notes upon other plants which thrive under like treatment, and descriptions of species and varieties; with a chapter upon herbaceous plants requiring similar culture - Fitch, W. H. (Walter Hood), 1817 -1892 (Little, Brown, and company, 1871)

Rhododendrons, azaleas & other choice hardy ornamental trees & shrubs, autumn 1922 spring 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Waterer, Sons & Crisp, Limited, 1922)

Rhododendrons, azaleas, specimen conifers, rare plants, 1936 : Carolina mountain flowers and hardy native American plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, Inc, 1936)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1962)

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

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

Richardson's garden book, 1935 : everything for the garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. Miller Richardson & Co, 1935)

Richardson's garden book, 1936 : everything for the garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. Miller Richardson & Co, 1936)

Richardson's garden book, 1937 : everything for the garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. Miller Richardson & Co, 1937)

Richardson's garden book, 1938 : everything for the garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. Miller Richardson & Co, 1938)

Richardson's garden book, 1939 : everything for the garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. Miller Richardson & Co, 1939)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1888)

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, 1928-1929 - Rock, Joseph F. (Joseph Francis), 1884 -1962 (1928)

Rock garden and alpine plants ; hardy perennials, rare flowering trees and shrubs, evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wittenberg & Co, 1934)

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

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, dwarf shrubs and iris, 1944-45 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1944)

Roeding's quality ornamental trees, shrubs & plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Co, 1941)

Roeding's quality ornamental trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Co, 1942)

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, 1903)

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)

Root's Nurseries, growers of quality trees and plants, fruit and ornamental - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Root's Nurseries, 1943)

Root's Nurseries, growers of quality trees and plants, fruit and ornamental - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Root's Nurseries, 1942)

Root's planting guide, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Root's Nurseries, Inc, 1933)

Rosedale - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale Nurseries, 1938)

Rosedale - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale Nurseries, 1937)

Rosedale 1949 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale Nurseries, 1949)

Rosedale Nurseries, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale Nurseries, 1945)

Rosedale Nurseries, East View, N.Y., 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale Nurseries, 1942)

Rosedale Nurseries, East View, N.Y., 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale Nurseries, 1943)

Rosedale's Nurseries, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale's Nurseries, Inc, 1947)

Rosedale's Nurseries 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale's Nurseries Inc, 1948)

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

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

Roses, ornamental shrubs & trees, fruit trees : fall 1943–spring 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Marsh's Nursery, 1943)

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)

Roses, vines, shrubs, perennials, evergreens, fruit trees, small fruits, ornamental trees, large tree moving, landscape contracting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons Company, 1938)

Rostlinnictví : cili Návod k snadnému urcení a pojmenování rostlin v Cechách, Morave a jiných zemích Rakouského mocnárství domácích - Sloboda, Daniel. (V kommissí u Fr. Rivnáce, 1852)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1907)

The rural cyclopedia, or, A general dictionary of agriculture and of the arts, sciences, instruments, and practice, necessary to the farmer, stockfarmer, gardener, forester, landsteward, farrier, &c - Wilson, John M. (John Marius) (A. Fullarton, 1850)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1875)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1879)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1887)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1888)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1896)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1897)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1931)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1932)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1941)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1910)

Saggio sulle qualita` medicinali delle piante della flora Napolitana : e sulla maniera di servirsene per surrogarle alle droghe esotiche - Tenore, Michele, 1780 -1861 (Tipografia Coda, 1808)

Sämmtliche Giftgewächse Deutschlands : naturgetren dargestellt und allgemein fasslich beschrieben - Winkler, Eduard, 1799 -1862 (F. Voight, 1854)

The San Jose scale and its nearest allies : a brief consideration of the characters which distinguish these closely related injurious scale insects - Cockerell, Theodore D. A. (Theodore Dru Alison), 1866 -1948 (Government Printing Office, 1897)

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

Schilderung der deutschen pflanzenfamilien vom botanisch-descriptiven und physiologischchemischen standpunkte - Hoffmann, Hermann, 1819 -1891 (Georg Friedrich Hener's Verlag, 1846)