Reliably hardy evergreens for fall planting : autumn 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1916)

Remarks on the geographical distribution of British plants : chiefly in connection with latitude, elevation, and climate - Watson, Hewett Cottrell, 1804 -1881 (Printed for Longman, Rees, Orme, Brown, Green, and Longman, 1835)

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

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1844)

Repertorium florae Ligusticae - De Notaris, Giuseppe, 1805 -1877 (Ex Regio Typographeo, 1844)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1910)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1922)

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, 1909)

Report and Transactions of the Glasgow Society of Field Naturalists - Glasgow Society of Field Naturalists. (Glasgow Society of Field Naturalists, 1873)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1915)

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

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

Report of the Botanist - New York (State). State Botanist. (James B. Lyon, State Printer, 1867)

Report of the Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, Office of the Regents, 1878)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1845)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1850)

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

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1863)

Report of the Geological Survey of Ohio - Geological Survey of Ohio. (Nevins & Myers, state printers, 1893)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1901)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1904)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1909)

Reports and transactions - Cardiff Naturalists' Society.

Retail catalogue of ground cover plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1930)

Retail price list, fall 1932 spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mecklenburg Nurseries, Inc, 1932)

Retail price list : fall, 1938–spring, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.H. Small & Sons, 1938)

Revision der europäischen arten der gattung Cryptocephalus - Suffrian, Christian Wilhelm Ludwig Eduard 1805 -1876 (s.n, 1847)

Revue biologique du nord de la France (Le Bigot, 1888)

Revue biologique du nord de la France (Le Bigot, 1889)

Revue biologique du nord de la France (Le Bigot, 1890)

Revue biologique du nord de la France (Le Bigot, 1893)

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1885)

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

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1883)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1886)

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 mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1977)

Revue des sciences naturelles (1877)

Revue des sciences naturelles de l'ouest - Institut international de bibliographie scientifique. (Revue des sciences naturelles de l'ouest, 1895)

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

Revue générale de botanique (Libraire générale de l'enseignement, 1899)

Revue horticole (Librairie agricole de la maison rustique, 1874)

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, 1891)

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

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1906)

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

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1933)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1961)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1973)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1977)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1996)

Rhododendrons, rhododendrons, rhododendrons, rhododendrons - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.N. Roberson Co, 1955)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1899)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1904)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1908)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1930)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1981)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1990)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1909)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1893)

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, 1894)

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

Roc?enka, 1935 / National Seed and Importing Co., Inc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (National Seed and Importing Co., Inc, 1935)

Rock garden and alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cloud Hill Nursery, 1950)

Rock garden and alpine plants : cash and carry only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cloud Hill Nursery, 1951)

Rock garden and alpine plants ; choice perennials, rare flowering trees and shrubs, evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wittenberg & Co, 1933)

Rock garden and perennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ivan N. Anderson, 1938)

Rock garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White & Johnson Company, 1935)

Rock garden plants, hardy perennials, hybrid lilacs, cotoneasters, azaleas, flowering apples, fruit trees and ornamental trees and shrubs : 1930 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1930)

Rock gardens, 96 plants suitable for the rockery, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins Bros, 1932)

Rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Anthon, 1931)

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

The Romance of wild flowers : a companion to the British flora - Step, Edward, 1855 -1931 (Warne, 1899)

Rose Hill Nursery, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Hill Nursery, 1932)

Rose Hill Nursery, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Hill Nursery, 1935)

Rosedale Nurseries, Sawmill River Parkway, Tarrytown, New York - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale Nurseries, 1935)

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)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1886)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1911)

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)

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, 1849)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1929)

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

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1934)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1939)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1911)

The sagacity & morality of plants; a sketch of the life & conduct of the vegetable kingdom - Taylor, J. E. (John Ellor), 1837 -1895 (Chatto and Windus, 1884)

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)

Saier's garden magazine : a manual of rare flowers, their selection and culture vol. 3, no. 1 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1952)

Saier's garden magazine : a manual of rare flowers, their selection and culture vol. 3, no. 3 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1952)

Samen-Tauschliste - Schwabe, Willmar. (Arzneipflanzen-Lehr- und Versuchsgarten des wissenschaftlichen Laboratoriums Dr. Willmar Schwabe, 1938)

Samen-Verzeichnis des Botanischen Gartens der Stadt Köln am Rhein - Flora und Botanischer Garten Köln. ([Flora und Botanischer Garten Köln], 1906)

Samen-Verzeichnis des Botanischen Gartens der Stadt Köln am Rhein - Flora und Botanischer Garten Köln. ([Flora und Botanischer Garten Köln], 1907)

Schedae operis quod inscribitur Plantae Finlandiae exsiccatae e Museo Botanico Universitatis Helsingforsiensis distributae - Helsingin yliopisto. Kasvimuseo. (J. Simelii arfvingars boktr, 1907)

Die Schmetterlinge der Schweiz - Müller-Rutz, J. (K.J. Wyss, 1911)

Die Schmetterlinge der Schweiz - Müller-Rutz, J. (K.J. Wyss, 1914)

Die Schmetterlinge Deutschlands mit besonderer Berücksichtigung ihrer Biologie - Eckstein, Karl, 1859 -1930 (K.G. Lutz' Verlag, 1923)

Die Schmetterlinge Deutschlands mit besonderer Berücksichtigung ihrer Biologie - Eckstein, Karl, 1859 -1930 (K.G. Lutz' Verlag, 1913)

Die Schmetterlinge Europas - Hofmann, Ernst, 1837 -1892 (E. Schweizerbart, 1908)

Die Schmetterlinge Europas - Hofmann, Ernst, 1837 -1892 (E. Schweizerbart, 1910)

Die schmetterlinge von Europa - Ochsenheimer, Ferdinand, 1767 -1822 (Fleischer, 1807)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1878)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1886)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1895)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1904)

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, 1878)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1883)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1884)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1905)

Schriften des Naturwissenschaftlichen Vereins für Schleswig-Holstein - Naturwissenschaftlicher Verein für Schleswig-Holstein. (Lipsius & Tischer, 1889)

Schriften herausgegeben von der Naturforscher-Gesellschaft bei der Universität Jurjew (Dorpat) - Universitas Jurjevensis. Naturforscher-Gesellschaft. (Druck von C. Mattiesen, 1895)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1898)

Scientific feeding of the domestic animals - Fischer, Paul, 1906 - (A. Eger, 1923)

Scientific papers of Asa Gray - Gray, Asa, 1810 -1888 (Houghton, 1889)

Scientific papers of Asa Gray - Gray, Asa, 1810 -1888 (Houghton, Mifflin, 1889)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1893)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2018)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1871)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1873)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1877)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1881)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1885)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1891)

Seaside planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries Inc, 1955)

Second voyage de Pallas, ou Voyages entrepris dans les gouvernemens méridionaux de l'empire de Russie, pendant les années 1793 et '94 - Pallas, Peter Simon, 1741 -1811 (chez Guillaume, ... ; Deterville, 1811)

Seed and plant catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Greene Herb Gardens, 1959)