Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1987)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1992)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1890)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1923)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1912)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1973)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1974)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1994)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2001)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2007)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1893)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1895)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1916)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1918)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1919)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1922)

Proceedings of the Linnaean Society of New York ... - Linnaean Society of New York (Linnaean Society of New York, 1971)

Proceedings of the Rochester Academy of Science - Rochester Academy of Science. (The Academy, 1894)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1885)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.])

Profile characteristics of New England forest soils - Lunt, Herbert A. (Herbert Arthur), 1898 - (Connecticut Agricultural Experiment Station, 1932)

Propagation of wild birds; a manual of applied ornithology, treating of practical methods of propagation of quails, grouse, wild turkey, pheasants, partridges, pigeons and doves, and waterfowl, in America, and of attracting and increasing wild birds in general, including song-birds - Job, Herbert Keightley, 1864 -1933 (1915)

The Prothonotary - Buffalo Ornithological Society. (Buffalo Ornithological Society, 1956)

The Prothonotary - Buffalo Ornithological Society. (Buffalo Ornithological Society, 1974)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1890)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1888)

A provisional list of the parasitic fungi of Wisconsin - Davis, John Jefferson. (1914)

Pruning evergreens and deciduous trees and shrubs - Giles, F. A. (Floyd A.) (University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, 1971)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1889)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1915)

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

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

Reading Nursery [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jacob W. Manning, 1907)

The reforestation of sand plains in Vermont - Howe, Clifton D. (Clifton Durant), 1874 - (1910)

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

Reliquiae Baldwinianae : selections from the correspondence of the late William Baldwin with occasional notes, and a short biographical memoir - Muhlenberg, Henry, 1753 -1815 (Kimber and Sharpless, 1843)

Reliquiæ Baldwinianæ: selections from the correspondence of the late William Baldwin ... with occasional notes, and a short biographical memoir - Muhlenberg, Henry, 1753 -1815 (Kimber and Sharpless, 1843)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1926)

Report of a geological survey of Wisconsin, Iowa, and Minnesota;and incidentally of a portion of Nebraska Territory - United States. General Land Office (Lippincott, Grambo, 1852)

Report of a geological survey of Wisconsin, Iowa, and Minnesota : and incidentally of a portion of Nebraska Territory : made under instructions from the United States Treasury Department - United States. General Land Office. (Lippincott, Grambo & Co, 1852)

Report of botanical survey of southern and central Louisiana made during the year 1870 - Featherman, A. (Americus), 1822 - (Printed at the office of the Republican, 1871)

Report of the Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, Office of the Regents, 1868)

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

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, 1904)

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, 1914)

Report of the Northern Great Plains Field Station for the 10-year period, 1913-1922, inclusive - Stephens, John Morman, 1879 - (U.S. Dept. of Agriculture, 1925)

Report of the State board of agriculture on the work of extermination of the gypsy moth - Massachusetts. State board of agriculture. (Wright & Potter printing co., 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, 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, 1917)

Report on the botany of Barren and Edmonson counties - Hussey, John. 1831 -1888 (1876)

A report on the trees and shrubs growing naturally in the forests of Massachusetts - Emerson, George B. (George Barrell), 1797 -1881 (Little, Brown, and Company, 1903)

Report upon forestry. From the committee appointed to memorialize Congress and the state legislatures, regarding the cultivation of timber and the preservation of forests - Hough, Franklin Benjamin, 1822 -1885 (Govt. Print. Off, 1878)

Reproductive ecology of Conradina verticillata Jennison, a rare, endemic mint of the Cumberland Plateau - Roulston, T'ai Honda. (1994)

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

Retail catalogue of American plants, shrubs and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett & Son, 1898)

Retail price list : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Van Lindley Nursery Company, 1923)

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 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (United States Nursery Company, 1921)

Retail price list fall 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Van Lindley Nursery Company, 1924)

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

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

Retail price list for 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hopedale Nurseries, 1924)

Retail price-list : spring, 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1924)

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

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1911)

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

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1938)

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

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1952)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1980)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1984)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1986)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1989)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1992)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1995)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1996)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2000)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2002)

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

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

Roehrs Nursery : at the sign of the tree - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1917)

Roehrs Nursery : at the sign of the tree : [catalog] - Roehrs, Julius, Company. (Julius Roehrs Co, 1917)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1928)

Rosedale Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.G. Harris, 1916)

Rosedale Nurseries, East View, N.Y., 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale Nurseries, 1940)

Rosedale Nurseries, East View, N.Y., 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale Nurseries, 1941)

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

Roses, perennials, shrubs and evergreens, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1934)

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

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

Saier's garden magazine : a manual of rare flowers, their selection and culture vol. 2, no. 17 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1951)

Samen-Verzeichnis des Staatl. Botanischen Gartens zu Dresden - Technische Universität Dresden. Botanischer Garten. (Koeniglich Botanischer Garten zu Dresden, 1926)

Sandusky flora. A catalogue of the flowering plants and ferns growing without cultivation in Erie county, Ohio, and the peninsula and islands of Ottawa County - Moseley, Edwin Lincoln, 1865 -1948 (Clapper, 1899)

Science - American Association for the Advancement of Science. ([s.n.], 1884)

Science - American Association for the Advancement of Science. ([s.n.], 1903)

Science progress (John Murray, 1921)

Scientific publications of the Cleveland Museum of Natural History - Cleveland Museum of Natural History (The Museum, 1928)

Scott's seeds : 1876-1951 our 75th anniversary year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1951)

Scott's seeds, 1943 : plant a victory garden! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1943)

Scott's seeds, 1944 : plant a victory garden! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1944)

Scott's seeds, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1945)

Scott's seeds, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1946)

Scott's seeds, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1947)

Scott's seeds 1949 : Pittsburgh's complete garden store - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1949)

Scott's seeds 1950 : the best seeds for farm and garden : vegetables fresh from your own garden : Pittsburgh's complete garden store - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1950)

Scott's seeds, everything for farm, garden and poultry, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1941)

Scott's seeds, everything for farm, garden and poultry, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1942)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1879)

Season of 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cole Nursery Co, 1924)

Season of 1926 [catalog] : everything that is good and hardy - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cole Nursery Co, 1926)

Seed annual - Fottler, Fiske, Rawson Co. (Fottler, Fiske, Rawson Co, 1915)

Seed annual - Fottler, Fiske, Rawson Co. (Fottler, Fiske, Rawson Co, 1916)

Seed annual 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fottler, Fiske, Rawson Co, 1916)

Seed annual 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fottler, Fiske, Rawson Co, 1917)

Seed annual 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fottler, Fiske, Rawson Co, 1918)

Seed for nurserymen : February, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, Inc, 1932)

Seed for nurserymen : January, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, Inc, 1932)

Seedlings and transplants : hardy trees and plants for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1931)

Seeds for nurseryman and forester, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1931)

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, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, Inc, 1937)

Seeds for nurserymen : December, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1938)

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 : fall, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1956)

Seeds for nurserymen : Fall 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers Seedsmen, Inc, 1959)

Seeds for nurserymen : February, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1938)

Seeds for nurserymen : February, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1940)

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

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

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, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1956)

Seeds for nurserymen : January, 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1957)

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

Seeds for nurserymen : March, 1944 : make early arrangements for 1944 crop seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1944)

Seeds for nurserymen : March, 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1956)

Seeds for nurserymen : March, 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1957)

Seeds for nurserymen : May, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1938)

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

Seeds for nurserymen, November, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1946)