The Quarterly journal of the Geological Society of London - Geological Society of America. (1907)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1908)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1913)

Recent advances in cytology - Darlington, C. D. (Cyril Dean), 1903 - (P. Blakiston's son & co., inc, 1937)

Recherches sur la fécondation et le commencement de l'hénogénie chez divers animaux - Fol, Hermann, 1845 -1892 (H. Georg, 1879)

Record of the Geological Survey of Victoria - Geological Survey of Victoria. (1904)

Recueil d'oeuvres de Léo Errera - Errera, Léo Abram, 1858 -1905 (H. Lamertin, 1908)

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

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)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1900)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1904)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1912)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1930)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1934)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1936)

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

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 of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 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, 1885)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1897)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1908)

Reports of the Survey. Botanical series - Geological; Natural History Survey of Minnesota. (1892)

Retail, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1941)

Retail list and wholesale list : shrubs, trees, vines, ferns, 1939-1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1939)

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, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1935)

Retail price list, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1936)

Retail price list, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1939)

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

Retail price list : fall 1943, spring 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1943)

Revised catalogue of fruits recommended for cultivation in the various sections of the United States and the British provinces - United States. Division of Pomology. (Govt. Print. Off, 1899)

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

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2000)

Revue bretonne de botanique pure et appliquée - Daniel, Lucien, 1856 -1940 (Guillemin, 1912)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1951)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1979)

Revue critique de paléozoologie et de paléophytologie (M. Cossman, 1897)

Revue des sciences naturelles (1872)

Revue générale de botanique (Libraire générale de l'enseignement, 1897)

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

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

Revue générale de botanique (Libraire générale de l'enseignement, 1908)

Revue générale de botanique (Libraire générale de l'enseignement, 1923)

Revue générale des sciences pures et appliquées ([s.n.], 1898)

Revue horticole (Librairie agricole de la maison rustique, 1843)

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

Revue horticole (Librairie agricole de la maison rustique, 1873)

Revue horticole (Librairie agricole de la maison rustique, 1877)

Revue horticole (Librairie agricole de la maison rustique, 1829)

Revue horticole (Librairie agricole de la maison rustique, 1901)

Revue horticole (Librairie agricole de la maison rustique, 1907)

Revue horticole (Librairie agricole de la maison rustique, 1911)

Revue horticole (Librairie agricole de la maison rustique, 1912)

Revue horticole (Librairie agricole de la maison rustique, 1913)

Revue horticole (Librairie agricole de la maison rustique, 1919)

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

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)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2003)

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

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

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1949)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1980)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1982)

The romance of our trees - Wilson, Ernest Henry, 1876 -1930 (Doubleday, Page, 1920)