The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1920)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1921)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1909)

Contents and index to volume 1 - Cory, Charles B. (Charles Barney), 1857 -1921 (Natural History Museum, 1917)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1920)

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

Contributions to the history of North American ornithology - Jackson, Jerome A (Nuttall Ornithological Club, 2000)

Contributions to the history of North American ornithology - Jackson, Jerome A (Nuttall Ornithological Club, 2010)

Contributions to the natural history of Alaska. Results of investigations ... in the Yukon district and the Aleutian islands; conducted under the auspices of the Signal service, United States Army, extending from May, 1874, to August, 1881 ... - Turner, Lucien M. (Lucien McShan) (Govt. Print. Off, 1886)

Contributions to the natural history of Alaska results of investigations made chiefly in the Yukon district and the Aleutian Islands; conducted under the auspices of the Signal Service, United States Army, extending from May, 1874, to August, 1881 - Turner, Lucien M. (Lucien McShan) (G.P.O, 1886)

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

The Coues check list of North American birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1882)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1985)

The cyclopædia; or, Universal dictionary of arts, sciences, and literature - Rees, Abraham, 1743 -1825 (Longman, Hurst, Rees, Orme & Brown [etc.], 1819)

The Death valley expedition. A biological survey of parts of California, Nevada, Arizona, and Utah Part II - Stejneger, Leonhard, 1851 -1943 (Govt. print. off, 1893)

Department bulletin - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1913)

Des hybrides à l'état sauvage. Règne animal. 1. volume. (Classe des oiseaux) - Suchetet, André, 1849 - (Impr. Le Bigot frères, 1896)

Desired future conditions for PinÌƒon-juniper ecosystems, August 8-12, 1994, Flagstaff, Arizona - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1995)

Diaries of William Brewster, 1865-1919 (inclusive) - Brewster, William, 1851 -1919 (1872)

Diaries of William Brewster, 1865-1919 (inclusive) - Brewster, William, 1851 -1919 (1891)

Diaries of William Brewster, 1865-1919 (inclusive) - Brewster, William, 1851 -1919 (1900)

Diaries of William Brewster, 1865-1919 (inclusive) - Brewster, William, 1851 -1919 (1901)

Diaries of William Brewster, 1865-1919 (inclusive) - Brewster, William, 1851 -1919 (1908)

Diaries of William Brewster, 1865-1919 (inclusive) - Brewster, William, 1851 -1919 (1909)

Diaries of William Brewster, 1865-1919 (inclusive) - Brewster, William, 1851 -1919 (1910)

Diaries of William Brewster, 1865-1919 (inclusive) - Brewster, William, 1851 -1919 (1911)

Diaries of William Brewster, 1865-1919 (inclusive) - Brewster, William, 1851 -1919 (1916)

The distribution and occurrence of the birds of Jackson County, Oregon, and surrounding areas - Browning, M. Ralph (Fish and Wildlife Service, 1975)

Distribution, season of use, and habitat of the mammals, birds, reptiles, amphibians, and fishes of Idaho - Wilson, Lanny O. (U.S. Department of the Interior, Bureau of Land Management, Idaho State Office, 1975)

A distributional list of the birds of Arizona - Swarth, Harry S. (Harry Schelwald), 1878 -1935 (Cooper Ornithological Club, 1914)

A distributional list of the birds of Arizona - Cooper Ornithological Society. (Cooper Ornithological Club, 1914)

A distributional list of the birds of Montana, with notes on the migration and nesting of the better known species - Saunders, Aretas A. (Aretas Andrews), 1884 -1970 (The Club, 1921)

Diversity monitoring in Montana, 2008-2010 : final report - Maxell, Bryce A. (Bryce Alan) ([Montana Inventory and Monitoring Project (Diversity Monitoring)], 2010)

An ecological survey in northern Michigan - Adams, Charles C. (Charles Christopher), 1873 -1955 (Wynkoop Hallenbeck Crawford co., state printers, 1906)

An ecological survey of Isle Royale, Lake Superior - Adams, Charles C. (Charles Christopher), 1873 -1955 (Wynkoop Hallenbeck Crawford Co., State Printers, 1909)

The effects of fire and other disturbances on small mammals and their predators : an annotated bibliography - Ream, Catherine H. (Intermountain Forest and Range Experiment Station, USDA, Forest Service, 1981)

Effects of recreational activity and livestock grazing on habitat use by breeding birds in Cottonwood Forests along the South Fork Snake River - United States. Bureau of Land Management. (Bureau of Land Management, Idaho State Office, 1998)

Eggs of native Pennsylvania birds : a world's fair collection - Jacobs, Joseph Warren, 1868 -1947 (Independent Job Department, 1895)

Eggs of North American birds - Maynard, C. J. (Charles Johnson), 1845 -1929 (De Wolfe, Fiske, 1890)

Eggs of North American birds - Maynard, C. J. (Charles Johnson), 1845 -1929 (De Wolfe, Fiske & co, 1890)

Encyclopédie méthodique. Botanique - Poiret, Jean-Louis-Marie, 1755 -1834 (Panckoucke;Plomteux, 1783)

Encyclopédie méthodique. Botanique - Poiret, Jean-Louis-Marie, 1755 -1834 (Panckoucke;Plomteux, 1789)

The English flora - Smith, James Edward, 1759 -1828 (Printed for Longman, Hurst, Rees, Orme, Brown, and Green, 1824)

The English flora - Smith, James Edward, 1759 -1828 (Longman, Hurst, Rees, Orme, Brown, and Green, 1824)

The English flora Vol. I - Smith, James Edward, 1759 -1828 (Longman, 1824)

The English flora - Smith, James Edward, 1759 -1828 (Longman, Rees, Orme, Brown and Green, 1828)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1953)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1954)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1955)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1956)