[Condon Brothers materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1913)

Condon's 1938 garden and farm catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1938)

Condon's annual catalog : 1924, 33rd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1924)

Condon's annual catalog : 1927, 36th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1927)

Condon's annual catalog : 1928, 37th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1928)

Condon's annual catalog, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1932)

Condon's annual catalog, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1933)

Condon's annual catalog, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1934)

Condon's annual catalog, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1935)

Condon's annual catalog, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1936)

Condon's annual catalog, 38th year, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1929)

Condon's annual catalog : 39th year, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1930)

Condon's annual catalog : 40th year, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1931)

Condon's annual catalogue, 34th year, 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Brothers, 1925)

Condon's annual catalogue : 35th year, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1926)

Condon's "sure crop" : garden and farm guide for 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Brothers, 1916)

Condon's "sure crop" : garden and farm guide for 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Brothers, 1917)

Condon's "sure crop". garden and farm guide for 1918 27th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Brothers, 1918)

Condon's "sure crop" : garden and farm guide for 29th year 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1920)

Condon's "sure crop" : garden and farm guide for 30th year 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1921)

Condon's "sure crop" : garden and farm guide for 31st year 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1922)

Condon's sure crop : garden and farm guide for 32nd year 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Bros, 1923)

Condon's sure crop seed and plant guide for 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Brothers, 1914)

Condon's "sure crop" seed and plant guide for 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Brothers, 1915)

Condon's sure crop seeds for 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Condon Brothers, 1913)

Congrès international d'entomologie : [proceedings] (Hayez, 2000)

Contract and general trade list of asters, zinnias, sweet peas, calendulas, larkspurs and other flower seeds : crop 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds, Ltd, 1932)

Contract and general trade list of asters, zinnias, sweet peas, calendulas, larkspurs and other flower seeds : crop 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds, ltd, 1931)

Contract and general trade list of "California's choicest flower seeds since 1890" : crop 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds, Ltd, 1933)

Contract and general trade list of "California's choicest flower seeds since 1890" : crop 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds, Ltd, 1934)

Contract and general trade list of "California's choicest flower seeds since 1890" : crop 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds, Ltd, 1935)

Contract and general trade list of "Merit" flower seeds : crop of 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1932)

Contract and general trade list of "Merit" flower seeds : crop of 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1933)

Contract and general trade list of "Merit" flower seeds : crop of 1936 to the seed trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1936)

Contract and general trade list of "Merit" flower seeds : crop of 1939 to the seed trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1939)

Contract and general trade list of "Merit" flower seeds : crop of 1940 to the seed trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1940)

Contract and general trade list of "Merit" flower seeds : crop of 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1931)

Contract and general trade list of "Merit" flower seeds : crop of 1943 to the seed trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1943)

Contract and general trade list of "Merit" flower seeds : crop of 1944 to the seed trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1944)

Contract and general trade list of "Merit" flower seeds : crop of 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1926)

Contract and general trade list of "Merit" flower seeds : crop of 1942 to the seed trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1942)

Contract and general trade list of "Merit" flower seeds : crop of 1950, to the seed trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1950)

Contract and general trade list of "Merit" flower seeds : crop of 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1929)

Contract and general trade list of "Merit" flower seeds : crop of 1945 to the seed trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1945)

Contract and general trade list of "Merit" flower seeds : crop of 1953 : to the seed trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1953)

Contract and general trade list of "Merit" flower seeds : crop of 1948 to the seed trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1948)

Contract and general trade list of "Merit" flower seeds : crop of 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1930)

Contract and general trade list of "Merit" flower seeds : crop of 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1927)

Contract and general trade list of "Merit" flower seeds : crop of 1938 to the seed trade only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waller-Franklin Seed Co, 1938)

Contract and general trade list of "proven quality" flower seeds : crop of 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Buckman, Denholm & Holden Seed Co, 1941)

Contract and general trade list of "proven quality" flower seeds : crop of 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Buckman, Denholm & Holden Seed Co, 1940)

Contract, price list 1954 crop : and 1953 crop spot delivery : effective January 1, 1954 through June 30, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds Ltd, 1954)

Contract price list 1956 crop - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds Ltd, 1956)

Contract trade list of California's choicest flower seeds since 1890 : crop 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bodger Seeds, Ltd, 1942)

Contribution à l'étude de la flore du Katanga - Wildeman, E. de (Emile), 1866 -1947 (D. Reynaert, 1921)

Contribution à l'étude de la flore du Katanga - De Wildeman, Emile 1866 -1947 (D. Reynaert, 1921)

Contribution à l'étude de la flore du Katanga - Wildeman, E. de (Emile), 1866 -1947 (Comité spécial du Katanga, 1921)

Contribution à la flore de la Guadeloupe - Mazé, H. 1818 -1892 (Imprimerie du gouvernement, 1892)

A contribution to our knowledge of seedlings - Lubbock, John, Sir, 1834 -1913 (K. Paul, Trench, Trübner, & co., ltd, 1892)

A contribution to South African materia medica : chiefly from plants in use among the natives - Smith, Andrew, of St Cyrus, 1828 -1898 (Juta, 1895)

A contribution to the history of the fresh-water algœ of North America - Wood, H. C. (Horatio C.), 1841 -1920 (Smithsonian institution, 1872)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1952)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1909)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1918)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1928)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1958)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2004)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2005)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2007)

Contributions to the flora of Siam - Craib, William Grant, 1882 -1933 (Printed for the University, 1912)

Contributions to the flora of Siam. by William Grant Craib Dicotyledones - Craib, William Grant, 1882 -1933 (Printed for the University of Aberdeen, 1912)

Contributions to the natural history of the Bermudas Vol. I - Goode, G. Brown (George Brown), 1851 -1896 (Govt. print. off, 1884)

Contributions to the Queensland flora - Bailey, Frederick Manson 1827 -1915 (Anthony James Cumming, Govt. Printer, 1890)

Control series bulletin - Massachusetts Agricultural Experiment Station. (University of Massachusetts, 1937)

Control series bulletin - Massachusetts Agricultural Experiment Station. (University of Massachusetts, 1914)

Cook's descriptive catalogue of greenhouse, hothouse and hardy plants, roses, dahlias, etc. cultivated and for sale at the Walnut Hills Nurseries, Madison Road, adjoining City Limits, Cincinnati, O - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([J.S. Cook, 1867)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1951)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951)

[Correspondence and records on insect pests] - Botanic Gardens (Singapore) (1919)

The cottage garden of America - Elder, Walter. (Moss & brother, 1849)

The Cottage gardener (W.S. Orr, 1849)

The Cottage gardener (W.S. Orr, 1850)

The Cottage gardener (W.S. Orr, 1851)

The Cottage gardener (W.S. Orr, 1852)

Cottage gardener and country gentleman's companion (Wm. S. Orr, 1854)