Price list, Spring 1929 : trees, shrubs, evergreens, vines, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1929)

Price list, Spring 1930 : trees, shrubs, evergreens, vines, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1930)

Price list, spring 1931 : trees, shrubs, evergreens, vines, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1931)

Price list, spring 1932 : trees, shrubs, evergreens, vines, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1932)

The primeval forest types of southwestern New York - Gordon, Robert B. (Robert Benson), 1901 -1981 (University of the State of New York, 1940)

Prince George's County - Bauer, L. A. (Louis Agricola), 1865 -1932 (The Johns Hopkins Press, 1911)

The principal species of wood: their characteristic properties - Snow, Charles H. (Charles Henry), 1863 - (J. Wiley & Sons; [etc., etc.], 1910)

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The principal species of wood: their characteristic properties - Snow, Charles H. (Charles Henry), 1863 - (J. Wiley, 1903)

The principal species of wood: their characteristic properties - Snow, Charles H. (Charles Henry), 1863 - (J. Wiley & sons, 1903)

Principles of American forestry - Green, Samuel Bowdlear, 1859 -1910 (Wiley, 1903)

Principles of American forestry - Green, Samuel Bowdlear, 1859 -1910 (J. Wiley & Sons, 1903)

Principles of American forestry - Green, Samuel Bowdlear, 1859 -1910 (J. Wiley & sons; [etc., etc.], 1907)

Principles of American forestry - Green, Samuel Bowdlear, 1859 -1910 (J. Wiley & Sons; [etc., etc.], 1913)

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The principles of fruit-growing, with applications to practice - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Company, 1915)

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Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1992)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1997)

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Proceedings of the Fourteenth Southern Forest Tree Improvement Conference, Gainesville, Florida, June 14-16, 1977 - Squillace, A. E. (Distributed by Eastern Tree Seed Laboratory, 1977)

Proceedings of the Fourth Lake States Forest Tree Improvement Conference, October 6 & 7, 1959 - Lake States Forest Experiment Station (Saint Paul, Minn.) (Lake States Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1960)

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The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1900)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1912)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1915)

Proceedings of the Linnaean Society of New York ... - Linnaean Society of New York (Linnaean Society of New York, 1933)

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Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1912)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1915)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1916)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1917)

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Production of lumber, lath, and shingles in 1917 - Smith, Franklin H. (Franklin Howard), 1877 - (U.S. Dept. of Agriculture, 1919)

Production of lumber, lath, and shingles in 1918 - Smith, Franklin H. (Franklin Howard), 1877 - (U.S. Dept. of Agriculture, 1920)

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Regulations under the Destructive Insect and Pest Act, with instructions to importers and exporters of trees, plants and other nursery stock - Hewitt, C. Gordon (Charles Gordon), 1885 -1920 (J. de L. Taché, 1917)

The relation of plant succession to crop production, a contribution to crop ecology - Waller, Adolph Edward, 1892 - (The University, 1921)

Relations of parastic fungi to their host plants - Reynolds, Ernest Shaw, 1884 - (1909)

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

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1911)

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