Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 1929)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 1957)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 1980)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 1986)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 1996)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 2000)

The Bay State garden book for 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, Incorporated, 1938)

Bay State Nurseries, Inc., North Abington, Mass - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1945)

Bay State trees, shrubs, hardy plants for comfort, beauty and increased home values : 1929 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1929)

Beach grass - Townsend, Charles Wendell, 1859 -1934 (Marshall Jones Co, 1923)

Below-ground ecology of boreal forests in the Hondo-Lesser Slave Lake area, Alberta - University of Alberta. Department of Botany. (University of Alberta, Dept. of Botany, 1984)

Bergen's botany, key and flora. Northern and central states ed - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1908)

Better gardens for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1931)

Better gardens for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1932)

Better gardens for 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1935)

Better gardens for 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1939)

Better gardens for 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, Inc, 1940)

Better gardens for 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, Inc, 1946)

Better gardens for 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, Inc, 1947)

Better gardens for 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, Inc, 1948)

Better gardens for 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, Inc, 1949)

Better gardens for 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, Inc, 1950)

Betulaceae through Cactaceae of New York State - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1990)

Bibliography of cultivated trees and shrubs hardy in the cooler temperate regions of the Northern Hemisphere - Rehder, Alfred, 1863 -1949 (Arnold Arboretum of Harvard Univ, 1949)

Biennial report of the Forest Commissioner - Maine. Forest Commissioner. (Forest Commissioner, 1924)

Binomial and trinomial index to The auk, 1884-1940, also including the Nuttall bulletin, 1876-1883, and the A.O.U. check-list of North American birds (all seven editions) - Pollock, Andrew W. ([Andrew W. Pollock III], 2015)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1913)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1966)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1976)

Biological control of arthropod pests of the northeastern and north central forests in the United States : a review and recommendations - Van Driesche, Roy (USDA, Forest Service, Forest Health Technology Enterprise Team, 1996)

A biological investigation of the Athabaska-Mackenzie region - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. print. off, 1908)

A biological investigation of the Hudson Bay region - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. Print. Off, 1902)

Biological notes - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1975)

A biological survey of the sand dune region on the south shore of Saginaw Bay, Michigan - Michigan. Geological Survey. (Wynkoop, Hallenbeck, Crawford co., state printers, 1911)

Biomass statistics for Vermont : 1983 - Northeastern Forest Experiment Station (Radnor, Pa.) (U.S. Dept. of Agriculture, Forest Service, Northeastern Station, 1986)

Bionomics and control of some northern species of Tabanidae - Miller, Lloyd Allan, (University of Alberta, 1950)

Biophysical overview, significant, sensitive and disturbance features of the Saddle Hills, Alberta - Bentz, Jerry A. (GEOWEST Environmental Consultants Ltd, 1999)

Biosphere Reserves, Compilation 4, October 1986: programme on man and the biosphere (MAB) (1986)

Biosphere Reserves, Compilation 5, October 1990: programme on man and the biosphere (MAB) (1990)

Birds of a Maryland farm : a local study of economic ornithology - Judd, Sylvester D., 1871 -1905 (U.S. Dept. of Agriculture, Division of Biological Survey, 1902)

Birds of Labrador - Allen, Glover M. (Glover Morrill), 1879 -1942 (Boston Society of Natural History, 1907)

Birds of Labrador - Allen, Glover M. (Glover Morrill), 1879 -1942 (Printed for the Society, 1907)

The birds of Maine; with key to and description of the various species known to occur or to have occured in the state, an account of their distribution and migration, showing their relative abundance in the various counties of the state as well as other regions, and contributions to their life histories - Knight, Ora Willis, 1874 -1913 ([printed by C. H. Glass & co.], 1908)

Birds of Maryland and the District of Columbia - Robbins, Chandler S. (U.S. Dept. of the Interior, Fish and Wildlife Service, 1958)

The birds of New Hampshire - Fox, Robert P. ([Nuttall Ornithological Club], 2013)

The birds of the Lake St. Martin region, Manitoba - Royal Ontario Museum of Zoology. (Royal Ontario Museum of Zoology], 1937)

The Black Spruce (Picea mariana) vegetation of Jasper and Banff Parks - University of Alberta. (University of Alberta, 1971)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1965)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1994)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2009)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1974)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1999)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1982)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1961)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1977)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1976)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1962)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1973)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2011)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1991)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2003)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1975)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2006)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1998)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1969)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1983)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1957)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2005)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1978)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2016)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1968)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2012)

The bogs and bog flora of the Huron River Valley ... - Transeau, Edgar Nelson, 1875 -1960 (The University of Chicago Press, 1906)

Book # 54, begin no. 39810, end 40327 - Fosberg, F. Raymond (Francis Raymond), 1908 -1993 (1959)

The book of woodcraft - Seton, Ernest Thompson, 1860 -1946 (The Sun dial press, inc, 1939)

The book of woodcraft - Seton, Ernest Thompson, 1860 -1946 (Doubleday, Page & company, 1912)

The book of woodcraft - Seton, Ernest Thompson, 1860 -1946 (Garden City Pub. Co, 1921)

The book of woodcraft and Indian lore - Seton, Ernest Thompson, 1860 -1946 (Doubleday, Page & company, 1913)

The book of woodcraft and Indian lore - Seton, Ernest Thompson, 1860 -1946 (Doubleday, Page, 1912)

The book of woodcraft and Indian lore - Seton, Ernest Thompson, 1860 -1946 (Doubleday, Page & Company, 1922)

Botanical abstracts - Board of Control of Botanical Abstracts. (Williams & Wilkins Co, 1921)

A botanical exploration of the north shore of the gulf of St. Lawrence including an annotated list of the species of vascular plants - St. John, Harold, 1892 -1991 (F. A. Acland, printer, 1922)

Botanical gazette ([publisher not identified], 1903)

Botanical gazette ([publisher not identified], 1905)

Botanical gazette ([publisher not identified], 1906)

Botanical gazette ([publisher not identified], 1911)

Botanical gazette ([publisher not identified], 1913)

Botanical gazette ([publisher not identified], 1914)

Botanical gazette ([publisher not identified], 1915)

Botanical gazette ([publisher not identified], 1916)

Botanical gazette ([publisher not identified], 1918)

Botanical gazette ([publisher not identified], 1920)

Botanical gazette ([publisher not identified], 1921)

Botanical gazette ([publisher not identified], 1922)

A botanical survey of the Tug Hill plateau - Hotchkiss, Neil, 1901 -1994 (University of the State of New York, 1932)

Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart, 1919)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1919)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1906)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1913)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1915)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1922)

Botany : current literature - United States. Bureau of Plant Industry. Library. (1919)

Botany for secondary schools; a guide to the knowledge of the vegetation of the neighborhood - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1913)

Botany for secondary schools; a guide to the knowledge of the vegetation of the neighborhood - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1920)

Breeding birds of Ontario : nidiology and distribution - Royal Ontario Museum. (Royal Ontario Museum, 1983)

Brief instructions to Massachusetts Forest Wardens - Massachusetts. State Forester. (The Forester, 1907)