Publication. Field Columbian Museum Botanical series - Field Columbian Museum. (Field Columbian Museum, 1896)

Publication. Field Museum of Natural History Geological series - Field Museum of Natural History. (The Museum, 1938)

Publication. Field Museum of Natural History Geological series - Field Museum of Natural History. (The Museum, 1939)

Publications of the Central States Forest Experiment Station, July 1927 through December 1949 - Central States Forest Experiment Station (Columbus, Ohio) (The Station, 1950)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1946)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1948)

A record of the fungi named by J.B. Ellis - United States. Bureau of Plant Industry, Soils,; Agricultural Engineering. (Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, U.S. Dept. of Agriculture, 1952)

Las regiones botánico-geográficas del Estado de Oaxaca : con una carta anexa - Conzatti, Cassiano, 1862 -1951 (La Esfera, 1926)

Relative resistance of various hardwoods to injection with creosote - Teesdale, Clyde Harry. (U.S. Dept. of Agriculture, 1918)

Répertoire des noms génériques mentionnés dans l'Index kewensis et ses quinze premiers suppléments = Guide to the generic names appearing in the Index Kewensis and its fifteen supplements = Repertorio de los nombres genericos enumerados en el Index Kewensis y sus quince suplementos = Repertorium der im Index Kewensis und seinen fuenfzehn ersten Supplementen erwaehnten Gattungsnamen - Rouleau, Ernest 1916 -1991 (Châtelain, 1981)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1907)

Report of the botanical exploration of southwestern Virginia during the season of 1892 - Small, John Kunkel, 1869 -1938 (1893)

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

Report of the geological survey of Ohio - Geological Survey of Ohio. (Nevins & Meyers, 1893)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1901)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1905)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1912)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1913)

Report of the proceedings at the ... annual meeting - Northern Nut Growers Association. (The Association, 1910)

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

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1916)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1909)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1917)

Report on the forests of British East Africa - Hutchins, D. E. (David Ernest), 1850 -1920 (Printed for His Majesty's Stationery Off. by Darling, 1909)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1914)

Report upon the forestry investigations of the U. S. Department of agriculture. 1877-1898 - Fernow, B. E. (Bernhard Eduard), 1851 -1923 (Govt. print. off, 1899)

Report upon the forestry investigations of the U.S. Department of agriculture. 1877-1898 - Fernow, B. E. (Bernhard Eduard), 1851 -1923 (Govt. print. off, 1899)

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

Researches on fungi - Buller, A. H. Reginald (Arthur Henry Reginald), 1874 -1944 (Longmans, Green, 1909)

Researches on fungi - Buller, A. H. Reginald (Arthur Henry Reginald), 1874 -1944 (Longmans, Green, 1922)

Retail price list of hardy nursery products - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Co, 1927)

The Review of applied entomology Series A Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1918)

The Review of applied entomology Series A Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1922)

Review of applied mycology - Commonwealth Mycological Institute, Kew, Eng. (Commonwealth Mycological Institute, 1922)

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)

Revisio generum plantarum vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum, mit erläuterungen - Kuntze, Otto, 1843 -1907 (A. Felix [etc., etc.], 1891)

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)

A revision of the North American species of beetles belonging to the family Bostrichidae - Fisher, Warren Samuel, 1878 -1971 (U.S. Dept. of Agriculture, 1950)

A revision of the North American species of buprestid beetles belonging to the tribe Chrysobothrini - Fisher, Warren Samuel, 1878 -1971 (U.S. Dept. of Agriculture, 1942)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1918)

Revue générale de botanique (Libraire générale de l'enseignement, 1909)

Revue horticole (Librairie agricole de la maison rustique, 1903)

Revue horticole (Librairie agricole de la maison rustique, 1916)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1907)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1919)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1929)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1947)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1949)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1957)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1976)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1974)

Rhynchophora or weevils of north eastern America - Blatchley, W. S. (Willis Stanley), 1859 -1940 (The Nature Publishing Company, 1916)

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 Pflanzenreichs : versuch einer Technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1918)

Roosevelt wild life annals - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (Roosevelt Wild Life Forest Experiment Station, 1935)

Roses, florist's seed, nurseryman's seed : November and December price list, fall 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waxahachie Nursery Co, 1936)

Royal Palm Nurseries, 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Palm Nurseries, Reasoner Brothers, 1928)

Royal Poinciana Nurseries (Incorporated) [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Poinciana Nurseries (Incorporated), 1917)

Royal Poinciana Nurseries (Incorporated) [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Poinciana Nurseries (Incorporated), 1916)

Royal Poinciana Nurseries (Incorporated) [catalog] 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Poinciana Nurseries (Incorporated), 1918)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1901)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1904)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1913)

Safe autumn planting : fall 1957, our 80th year Catalog no. 160 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1957)

The San José scale (Aspidiotus perniciosus, Comst.) and methods of treatment. A. E. Stene. Joint bulletin of the State board of agriculture and Extension department of the Rhode Island college of agriculture and mechanic arts. 1908 - Rhode Island. Board of agriculture. (1908)

Sand dunes and salt marshes - Townsend, Charles Wendell, 1859 -1934 (D. Estes & company, 1913)

Sand dunes and salt marshes - Townsend, Charles Wendell, 1859 -1934 (Page Company Publishers, 1913)

Sand dunes and salt marshes - Townsend, Charles Wendell, 1859 -1934 (L.C. Page & company, 1925)

Science - American Association for the Advancement of Science. ([s.n.], 1892)

Science - American Association for the Advancement of Science. ([s.n.], 1898)

Science - American Association for the Advancement of Science. ([s.n.], 1880)

Science - American Association for the Advancement of Science. ([s.n.], 1902)

Science - American Association for the Advancement of Science. ([s.n.], 1905)

Science - American Association for the Advancement of Science. ([s.n.], 1907)

Science - American Association for the Advancement of Science. ([s.n.], 1911)

Science - American Association for the Advancement of Science. ([s.n.], 1914)

Science - American Association for the Advancement of Science. ([s.n.], 1922)

Scruggs wholesale price list : special spring list spring 1958 : shade and ornamental trees, flowering shrubs, vines, evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Scruggs Nursery, 1958)

Scruggs wholesale price list : spring 1957 : shade and ornamental trees, flowering shrubs, vines, evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Scruggs Nursery, 1957)

A second edition of Webber's "Appendix to the catalogue of the flora of Nebraska" - Bessey, Charles E. (Charles Edwin), 1845 -1915 ([University of Nebraska?, 1892)

A second Ohio weed manual : general weed questions : revised descriptive illustrated list of Ohio weeds - Selby, A. D. (Augustine Dawson), 1859 -1924 (Ohio Agricultural Experiment Station, 1906)

The seed plants, ferns, and fern allies of the Austin Region - Young, Mary Sophie, 1919 (The University, 1920)

Seeding and planting; a manual for the guidance of forestry students, foresters, nurserymen, forest owners, and farmers - Toumey, James W. (James William), 1865 -1932 (Wiley, 1916)

Seeds and plants imported during the period from December, 1903, to December, 1905; inventory no. 11, nos.9897 to 16796 ... - United States. Bureau of Plant Industry. (Gov't. Print. Off, 1907)

Seeds and plants imported - United States. Department of Agriculture. (G.P.O, 1898)

Seeds and plants imported - United States. Department of Agriculture. (G.P.O, 1907)

Seeds for nurserymen : April, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1949)

Seeds for nurserymen : April, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1950)

Seeds for nurserymen : Christmas tree growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1954)

Seeds for nurserymen : December, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1942)

Seeds for nurserymen : December, 1943 : books for Christmas - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1943)

Seeds for nurserymen, imported seeds : October, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1945)

Seeds for nurserymen : January, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1941)

Seeds for nurserymen : January, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1949)

Seeds for nurserymen : January, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1950)

Seeds for nurserymen : January, 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1951)

Seeds for nurserymen : January, 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1952)

Seeds for nurserymen : January, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1953)