Ornamental trees, and shrubs : spring 1953. No. 3 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co., Inc, 1953)

Ornamental trees, plants, shrubs, vines, etc. : fruit trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Samuel C. Moon, 1896)

Ornamental trees, shrubs and evergreens : fall 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co., Inc, 1948)

Ornamental trees, shrubs, evergreens, roses : vines, water lilies, fruit trees, small fruits, herbaceous plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.S. Peterson & Sons, 1909)

Ornamental trees, shrubs, evergreens, roses, vines, water-lilies, fruit trees, small fruits, herbaceous plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Montrose Nurseries, 1908)

The Ornithologists' and oologists' semi-annual (W.H. Foote, 1889)

O.S.U. naturalist - Ohio State University. Biological Club. (Biological Club of Ohio State University, 1901)

O.S.U. naturalist - Ohio State University. Biological Club. (Biological Club of Ohio State University, 1902)

O.S.U. naturalist - Ohio State University. Biological Club. (Biological Club of Ohio State University, 1903)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1895)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1906)

Ouachita National Forest, Arkansas-Oklahoma - United States. Forest Service. Southern Region. (U.S. Govt. Print. Off, 1937)

Our fiftieth year : 1878 to 1928 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1928)

Our fiftieth year bargain list : (1878 to 1927) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1927)

Our forests and the timbers they contain - Dodson, W. R. (William Rufus), 1867 -1951 (American printing co., ltd, 1904)

Our forests and the timbers they contain. Louisiana's invitation - Dodson, W. R. (William Rufus), 1867 -1951 ([American Print. Co.], 1904)

Our native trees and how to identify them : a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1900)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1912)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1913)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1910)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1917)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (Scribner, 1902)

Our trees. A popular account of the trees in the streets and gardens of Salem, and of the native trees of Essex County, Massachusetts, with the location of trees, and historical and botanical notes - Robinson, John, 1846 -1925 (Printed by N. A. Horton and Son, 1891)

Our trees, how to know them : photographs form nature by Arthur I. Emerson, with a guide to their recognition at any season of the year and notes on their characteristics, distribution, and culture, by Clarence M. Weed - Weed, Clarence Moores, 1864 -1947 (J.B. Lippincott Company, 1918)

Our trees, how to know them; photographs from nature - Weed, Clarence Moores, 1864 -1947 (Lippincott, 1936)

Our trees, how to know them: photographs from nature by Arthur I. Emerson, with a guide to their recognition at any season of the year and notes on their characteristics, distribution, and culture - Weed, Clarence Moores, 1864 -1947 (J.B. Lippincott, 1918)

Outdoor beauty for your home - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs & Sons, 1928)

Outings at odd times - Abbott, Charles Conrad, 1843 -1919 (Appleton, 1890)

Outings at odd times - Abbott, Charles Conrad, 1843 -1919 (D. Appleton and Company, 1890)

An outline of plant geography (The Macmillan company, 1926)

Outlines of botany for the high school laboratory and classroom (based on Gray's Lessons in botany) - Leavitt, Robert Greenleaf, 1865 -1942 (American Book Co, 1901)

Outlines of forestry - Houston, Edwin J. (Edwin James), 1847 -1914 (J. B. Lippincott company, 1893)

Outlines of forestry : or, The elementary principles underlying the science of forestry : being a series of primers of forestry - Houston, Edwin J. (Edwin James), 1847 -1914 (J.B. Lippincott, 1893)

Outlines of forestry : or, The elementary principles underlying the science of forestry : being a series of primers of forestry - Houston, Edwin J. (Edwin James), 1847 -1914 (J. B. Lippincott, 1893)

Outlines of lectures on materia medica and botany :delivered in Jefferson Medical College, Philadelphia - Barton, William P. C. (William Paul Crillon), 1786 -1856 (Joseph G. Auner, 1827)

The outlook for timber in the United States - United States. Forest Service. (U.S. Govt. Print. Off.], 1974)

The outlook for timber in the United States - United States. Forest Service. (For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1973)

Pacific States Floral Congress. [Papers] - California State Floral Society. (Academy of sciences, 1901)

Die palaeobotanische Literatur : bibliographische Übersicht über die Arbeiten aus dem Gebiete der Palaeobotanik - Jongmans, W. (Willem), 1878 -1957 (Fischer, 1913)

Palaeontology - Palaeontological Association (Palaeontological Association, 1960)

Palaeontology - Palaeontological Association (Palaeontological Association, 1981)

Pamphlets on forest protection (1900)

Pamphlets on forest utilization (1900)

Pamphlets on forestry (1900)

Pamphlets on forestry in California (1900)

Pamphlets on forestry in Kansas (1900)

Pamphlets on forestry in Maryland (1900)

Pamphlets on forestry in Michigan (1900)

Pamphlets on forestry in Minnesota (1900)

Pamphlets on forestry in Montana (1900)

Pamphlets on forestry in Nebraska (1900)

Pamphlets on forestry in North Carolina (1900)

Pamphlets on forestry in North Dakota and South Dakota (1900)

Pamphlets on forestry in Ohio (1900)

Pamphlets on forestry in Pennsylvania (1900)

Pamphlets on forestry in Tennessee (1900)

Pamphlets on forestry in Texas (1900)

Pamphlets on forestry in Virginia (1900)

Pamphlets on forestry in West Virginia (1900)

Pamphlets on silviculture (1899)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1993)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 2000)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania (The Society, 1867)

Papilio - Edwards, Henry, 1827 -1891 (New York Entomological Club, 1882)

Papilio - Edwards, Henry, 1827 -1891 (New York Entomological Club, 1884)

Parasitic fungi of Illinois. Part II, Erysipheae, Lév - Earle, F. S. (Franklin Sumner), 1856 -1929 (J.W. Franks & Sons, 1887)

Parasitic fungi of Illinois / by T.J. Burrill - Earle, F. S. (Franklin Sumner), 1856 -1929 (J. W. Franks, 1887)

The parasitic fungi of New Jersey - Schwarze, Carl Alois, 1886 - (New Jersey Agricultural Experiment Stations, 1917)

Paris International Exhibition, 1900 - Macoun, James Melville, 1862 -1920 (s.n.], 1900)

Park and cemetery - Haight, R. J. (Rufus J.) (R.J. Haight, 1896)