Contributions from the Botanical Laboratory - University of Pennsylvania. Botanical Laboratory. (University of Pennsylvania Press, 1892)

Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania - University of Pennsylvania. Botanical Laboratory. ([s.n, 1934)

Contributions from the Botanical Laboratory of the University of Pennsylvania - University of Pennsylvania. Botanical Laboratory. (University of Pennsylvania Press, 1898)

Contributions from the Department of Botany of Columbia University - Columbia University. Department of Botany (s.n.], 1896)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1911)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1921)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1930)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1940)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1899)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1921)

Contributions from the Osborn Botanical Laboratory - Yale University. Osborn Botanical Laboratory (Osborn Botanical Laboratory, Yale University, 1916)

Contributions from the Osborn Botanical Laboratory - Yale University. Osborn Botanical Laboratory (Osborn Botanical Laboratory, Yale University, 1923)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1897)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1901)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1919)

Contributions to the botany of Vermont - Middlebury College. (Botanical Dept., University of Vermont, 1898)

Contributions to the flora of Iowa - Bessey, Charles E. (Charles Edwin), 1845 -1915 (1871)

Contributions to the flora of Iowa; a catalogue of the phaenogamous plants - Arthur, Joseph Charles, 1850 -1942 (Intelligencer Book Print, 1876)

The cotton question - Barbee, Wm. J. (William J.), 1816 -1892 (Metropolitan record office, 1866)

Cultures of Uredineae 1899-1921 - Arthur, Joseph Charles, 1850 -1942 (1921)

Current Northeast paleoethnobotany - New York State Museum. (University of the State of New York, State Education Dept, 2008)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1900)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company, 1909)

Dermatitis venenata - White, James Clarke. (Cupples and Hurd, 1887)

Description and analysis of the vascular flora of the Cataraqui Marsh area - Catling, Paul M. (Research Branch, Agriculture Canada, 1985)

Descriptive catalogue of North American Hepaticae, north of Mexico - Underwood, Lucien Marcus, 1853 -1907 (J. W. Franks & sons, 1884)

Descriptive catalogue of Reading Nursery : with descriptions of hardy ornamental deciduous and evergreen trees, shrubs, and trailing vines, herbaceous perennial plants (a specialty here) and large and small fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1886)

A descriptive list of unusual hardy alpines and perennials, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bowie Landscape Service, 1941)

A dictionary of English names of plants applied in England and among English-speaking people to cultivated and wild plants, trees, and shrubs - Miller, William. (J. Murray, 1884)

The differentiation and specificity of starches in relation to genera, species, etc.; stereochemistry applied to protoplasmic processes and products, and as a strictly scientific basis for the classification of plants and animals - Reichert, Edward Tyson, 1855 - (Carnegie institution of Washington, 1913)

Diseases of forest and shade trees, ornamental and miscellaneous plants in the United States in 1923 - United States. Plant Disease Survey. (Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1925)

The drug plants of Illinois - Tehon, L. R. (Leo Roy), 1895 -1954 (Natural History Survey Division, 1951)

The earthworms (lumbricidae and sparganophilidae) of Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1977)

The ecology of the plants native to Dutchess County, New York - Roberts, Edith Adelaide, 1881 - (Conservation Committee of the Garden Club of America, 1924)

Edward Gillett's eighth annual catalogue of North American perennial plants, orchids, shrubs, climbers, alpine, aquatic, and bog plants, rare ferns, &c., for 1885 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1885)

Edward Gillett's eleventh annual catalogue of North American wild flowers, orchids, alpine, shrubs, aquatic, climbers and bog plants, rare ferns, etc. for 1888 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1888)

Edward Gillett's ninth annual catalogue of North American wild flowers, orchids, alpine, shrubs, aquatic, climbers and bog plants rare ferns, etc. for 1886 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1886)

Edward Gillett's twelfth annual catalogue of North American wild flowers, orchids, shrubs, climbers : alpine, aquatic, and bog plants, rare ferns, etc. for 1889 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1889)

Elementary botany - Atkinson, George Francis, 1854 -1918 (Holt, 1908)

Elementary botany - Atkinson, George Francis, 1854 -1918 (H. Holt, 1899)

Elementary botany - Atkinson, George Francis, 1854 -1918 (H. Holt, 1898)

Elementary botany - Atkinson, George Francis, 1854 -1918 (Holt, 1898)

Elementary botany - Atkinson, George Francis, 1854 -1918 (Holt, 1905)

Elementary botany - Atkinson, George Francis, 1854 -1918 (H. Holt and company, 1898)

Elementary botany - Gray, Asa, 1810 -1888 (Copp, Clark, 1899)

The elements of botany embracing organography, histology, vegetable physiology, systematic botany and economic botany ... together with a complete glossary of botanical terms - Kellerman, W. A. (William Ashbrook), 1850 -1908 (J. E. Potter and Company, 1883)

The elements of structural botany : with special reference to the study of Canadian plants - Spotton, H. B. (Henry Byron), 1844 -1933 (W. J. Gage, 1887)

The elements of structural botany : with special reference to the study of Canadian plants, to which is added a selection of examination papers - Spotton, H. B. (Henry Byron), 1844 -1933 (Gage, 1889)

The elements of structural botany with special reference to the study of Canadian plants ... - Spotton, H. B. (Henry Byron), 1844 -1933 (W. J. Gage & Co, 1897)

The elements of structural botany with special reference to the study of Canadian plants - Spotton, H. B. (Henry Byron), 1844 -1933 (W. J. Gage & Co, 1897)

The elements of structural botany with special reference to the study of Canadian plants, to which is added a selection of examination papers - Spotton, H. B. (Henry Byron), 1844 -1933 (W.J. Gage, 1897)

The Enterprise, Wisconsin, Radiation Forest : preirradiation ecological studies - North Central Forest Experiment Station (Saint Paul, Minn.). Institute of Forest Genetics. (Institute of Forest Genetics, North Central Forest Experiment Station, Forest Service, U.S.D.A, 1974)

Entomologische Zeitschrift - Internationaler Entomologischer Verein. (Internationaler Entomologischer Verein, 1909)

Enumeratio plantarum omnium hucusque cognitarum : secundum familias naturales disposita, adjectis characteribus, differentiis et synonymis - Kunth, Karl Sigismund, 1788 -1850 (sumtibus J.G. Cottae, 1841)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 1985)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 1991)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 1997)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 2003)

Evergreens for Christmas and holidays, December 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1937)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1915)

Facts relating to the history of Groton, Massachusetts - Green, Samuel A. (Samuel Abbott), 1830 -1918 (J. Wilson and Son], 1912)

Fall 1933 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, and wild flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1933)

Fall 1934 : alpines from the Land of the Sky : rare and worthwhile native plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nik-Nar Nursery, 1934)

Fall 1934, inventory grade count - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1934)

Fall 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ruth Hardy Wildflower and Fern Nursery, 1947)

Fall, 1953 - wholesale price list - spring, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1953)

Fall, 1954 - wholesale price list - spring, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1954)

Fall, 1954 - wholesale trade list - spring, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1954)

Fall, 1956 - wholesale trade list - spring, 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1956)

Fall 1957 - Spring 1958 wholesale trade list : of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1957)

Fall list, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett's Fern and Flower Farm, 1931)

The families of flowering plants - Pollard, Charles Louis, 1872 -1945 (The Plant World Co, 1900)

Fauna och flora : populär tidskrift för biologi - Naturhistoriska riksmuseet (Sweden) (Almqvist & Wiksells, 1918)

Favorite drives around Gardner - Burrage, Charles Dana, 1857 -1926 (Press of the Gardner News Co, 1897)

Ferns and flowering plants of South Dakota - Saunders, De Alton, 1870 -1940 (W.A. Beach, 1899)

Ferns and hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1936)

Ferns, azaleas, kalmias, wild flowers, rhododendrons - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gillett Fern and Flower Farm, 1945)

Ferns in their homes and ours - Robinson, John, 1846 -1925 (S.E. Cassino, 1879)

Ferns in their homes and ours - Robinson, John, 1846 -1925 (S.E. Cassino, 1878)

Field book of American wild flowers : being a short description of their character and habits, a concise definition of their colors and incidental references to the insects which assist in their fertilization - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (G.P. Putnam's Sons)

Field book of American wild flowers : being a short description of their character and habits, a concise definition of their colors, and incidental references to the insects which assist in their fertilization - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (Putnam, 1909)

Field book of American wild flowers; being a short description of their character and habits, a concise definition of their colors, and incidental references to the insects which assist in their fertilization - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (Putnam, 1912)

Field Museum of Natural History bulletin - Field Museum of Natural History. (The Museum, 1980)

Field Museum of Natural History bulletin - Field Museum of Natural History. (The Museum, 1986)

Field notes, Oregon, May 6-October 6, 1896, and West Virginia, January 19-25, 1897 - Bailey, Vernon, 1864 -1942 (1894)

Fieldbook of Illinois wild flowers; six hundred fifty of the more common flowering plants in the state - Illinois. Natural History Survey Division (Illinois. Natural History Survey Division, 1936)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1990)

Fifty flower friends with familiar faces - Dunham, Edith. (Lothrop, Lee & Shepard co, 1907)

Final environmental impact statement : proposed estuarine sanctuary grant award to the state of New York for a Hudson River estuarine sanctuary - National Ocean Survey. Office of Coastal Zone Management. (The Office, 1982)

Finding-list of plants at Breeze Hill Gardens, Harrisburg, Pa. : the residence of J. Horace McFarland ... : including trial-gardens of the J. Horace McFarland Company - J. Horace McFarland Company. (J.H. McFarland Co.], 1931)

First aid to your garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cheltenham Nurseries, 1935)

First aid to your garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cheltenham Nurseries, 1936)

First biennial report of the progress of the Geological survey of Michigan, embracing observations on the geology, zoölogy and botany of the lower peninsula. Made to the governor, December 31, 1860 - Winchell, Alexander, 1824 -1891 (Hosmer & Kerr, printers to the state, 1861)

Flora and fauna of Bucks County - Moyer, I. S. (Lewis, 1905)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1911)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1914)