Racing and steeple-chasing - Suffolk; Berkshire, Henry Charles Howard, Earl of, 1833 -1898 (Longmans, Green, & Co, 1893)

Rain forest in the city : Bukit Timah Nature Reserve, Singapore - Botanic Gardens (Singapore) (National Parks Board, Singapore Botanic Gardens, 1995)

Rainbow offerings iris 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rainbow Hybridizing Gardens, 1949)

Rainbow offerings iris : 1950, a catalog for iris lovers and hybridizers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rainbow Hybridizing Gardens, 1950)

Rambles of an Australian naturalist - Fountain, Paul. (J. Murray, 1907)

Rare iris & peonies, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1936)

Rare iris and peonies, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1937)

Rare iris, peonies, hemerocallis, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1935)

The rarest and finest irises, bearded, beardless, bulbous, hybrids & species, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Iris Gardens, 1934)

Die Rassen des Pferdes : ihre Entstehung, geschichtliche Entwicklung und charakteristischen Kennzeichen - Wrangel, Carl Gustav (Schickhardt & Ebner (Konrad Wittwer), 1908)

Die Raupen der gross-schmetterlinge Europas - Hofmann, Ernst, 1837 -1892 (Verlag der C. Hoffmann, 1893)

Raupenkalender, oder systematisches Verzeichniss aller Raupen so in Deutschland bekant sind - Schott, J. J. (P. H. Guilhauman, 1829)

Raupenkalender oder Systematisches Verzeichniss aller Raupen, welche in Deutschland bekannt sind - Schott, J. J. (P.H. Guilhauman, 1830)

Raupenkalender; oder, Verzeichnis aller Monate in welchen die von Rösel und Kleemann beschriebene und abgebildete Raupen nebst ihrem Futter zu finden sind - Mader, Johann, 1745 - (In der Raspischen Buchhandlung, 1786)

Reading Naturalist. Reading - Reading Natural History Society.

Reading Naturalist. Reading - Reading Natural History Society. (2013)

Recensio critica lepidopterorum Musei Ludovicae Ulricae quae descripsit Carolus A Linné - Linné, Carl von, 1707 -1778 (P.A. Norstedt & Söner, 1882)

Record of the proceedings of the Halifax Fisheries Commission - Halifax Fisheries Commission Halifax, N.S.) (1877 - (s.n.], 1877)

The Record of zoological literature (J. van Voorst, 1865)

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

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1908)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2002)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1961)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 2003)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 1983)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Audouin, Jean Victor, 1797 -1841 (Fortin, Masson et cie, 1836)

Rendiconti - Reale Accademia dei Lincei (l'Accademia, 1889)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1897)

Rendiconti - Reale Accademia dei Lincei (l'Accademia, 1891)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1921)

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, 1849)

Répertoire alphabétique des noms spécifiques admis ou proposés dans la sous-famille des libellulines avec indications bibliographiques, iconographiques et géographiques - Preudhomme de Borre, Alfred. 1833 -1905 (F. Hayez, 1889)

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 of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1851)

Report of the chief of the Bureau of Entomology and Plant Quarantine - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1933)

Report of the commissioner for 1875-1876 - United States Fish Commission. ([U.S. Govt. Print. Off], 1878)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1878)

Report of the Curator / Botanical Exchange Club - Botanical Exchange Club. (1868)

Report of the International Ice Patrol service in the North Atlantic Ocean - United States. Coast Guard. (The Coast Guard, 1993)

Report of the International Ice Patrol service in the North Atlantic Ocean - United States. Coast Guard. (The Coast Guard, 1994)

Report of the International Ice Patrol service in the North Atlantic Ocean - United States. Coast Guard. (The Coast Guard, 1995)

Report of the International Ice Patrol service in the North Atlantic Ocean - United States. Coast Guard. (The Coast Guard, 1997)

Report of the International Ice Patrol service in the North Atlantic Ocean - United States. Coast Guard. (The Coast Guard, 1988)

Report of the proceedings at the ... annual meeting - Northern Nut Growers Association. (The Association, 1922)

Report of the United States Geological Survey of the territories - Lesquereux, Léo, 1806 -1889 (Govt. Print. Off, 1873)

Report on a mammal survey of the Cosanga River drainage, Ecuador - Alvarado-Serrano, Diego. (Museum of Texas Tech University, 2006)

A Report on the Cretaceous paleontology of New Jersey - New Jersey Geological Survey. (1886)

Report on the fisheries of Nova Scotia - Knight, Thomas F. (A. Grant, 1867)

Report on the forests of British East Africa - Hutchins, D. E. (David Ernest), 1850 -1920 (Printed for H.M.S.O. by Darling & Son, 1909)

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, 1886)

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 and transactions - Cardiff Naturalists' Society.

Western Australian Herbarium Research Notes - Western Australia. Department of Biodiversity, Conservation; Attractions (Western Australian Herbarium, 1986)

Results of the second joint U.S.-U.S.S.R. Bering Sea Expedition Summer 1984 - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, U.S. Fish and Wildlife Service, 1990)

The Review of reviews - Fitchett, W. H. 1845 -1928 (Review of Reviews, 1912)

A revision of the American spiders of the genus Camillina (Araneae, Gnaphosidae) - Platnick, Norman I. (American Museum of Natural History, 1982)

Revision of the Tachinidae of America north of Mexico. A family of parasitic two-winged insects - Coquillett, D. W. (Daniel William), 1856 -1911 (Govt. print. off, 1910)

Revisions of North American grasses - Chase, Agnes, 1869 -1963 (G.P.O, 1920)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2016)

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1888)

Revue des sciences naturelles (1881)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1881)

Revue encyclopédique (1823)

Revue encyclopédique (1825)

Revue encyclopédique (1827)

Revue entomologique (Bureau de la Revue entomologique, 1834)

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

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

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

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1900)

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1913)

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

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 2003)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1945)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1946)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1955)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1988)

Rhopalocera Europæ, descripta et delineata = The butterflies of Europe, described and figured - Lang, Henry C. 1909 (L. Reeve, 1884)

Richard's Gardens, 1949 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richards Gardens, 1949)

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, 1894)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1900)

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 Periodica dei Lavori della I.R. Accademia di Scienze, Lettere ed Arti di Padova - Accademia di scienze, lettere ed arti di Padova. (1852)

Roc?enka, 1936 / National Seed and Importing Co., Inc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (National Seed and Importing Co., Inc, 1936)

Rock plants and iris : 1931 descriptive list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1931)

Rod and gun - Canadian Forestry Association. (Rod and Gun Pub. Co. [etc.], 1906)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2010)

The roller; concerning its health, habits and happiness; its feeding, breeding and training - Church, Thomas Ayres. (The Stuyvesant press, 1921)

Roses - Leedle Floral Company. (Leedle Floral Company, 1916)

Roses and other plants seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hill & Co, 1888)

The roses of New Castle - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Heller Brothers Company, 1911)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1884)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1897)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1898)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1899)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1904)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1905)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1906)

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

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1910)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1914)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1916)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1917)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1918)

Royal Ascot : its history & its associations - Cawthorne, George James. (A. Treherne, 1902)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1893)

Royal palaces & gardens - Calthrop, Dion Clayton, 1878 -1937 (A. & C. Black, 1916)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1856)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1857)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1860)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1861)