Bulletin Biological series - University of Montana (Missoula) (University of Montana, 1901)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1905)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1914)

The butterflies and larger moths of Lincolnshire and South Humberside - Duddington, Joe. (Lincolnshire Naturalists' Union, 1983)

Butterflies and moths (British) - Furneaux, William S. (Longmans, Green, and Co, 1894)

The butterflies and moths of Kent - Chalmers-Hunt, J. M. (T. Buncle, 1961)

The butterflies and moths of Kent - Chalmers-Hunt, J. M. (T. Buncle, 1981)

The butterflies and moths of Lincolnshire : the micro-moths and species review to 1996 - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 2006)

Butterflies and moths of Newfoundland and Labrador : the macrolepidoptera - Morris, Ray F. (Agriculture Canada, 1980)

Butterflies and moths of North America, with full instructions for collecting, breeding, preparing, classifying, packing for shipment, etc., a complete synonymical catalogue of Macrolepidoptera, with a full bibliography, to which is added a glossary of terms and an alphabetical and descriptive list of localities - Strecker, Herman, 1836 -1901 (Press of B.F. Owen, 1878)

Butterflies and moths of North America with full instructions for collecting, breeding, preparing, classifying, packing for shipment, etc. : a complete synonymical catalogue of macrolepidoptera, with a full bibliography, to which is added a glossary of terms and an alphabetical and descriptive list of localities - Strecker, Herman, 1836 -1901 (s.n.], 1878)

Butterflies of Britain & Europe - Tolman, Tom (HarperCollins, 1997)

The Butterflies of Ceylon - Ormiston, W. (Cave, 1924)

The butterflies of Great Britain with their transformations delineated and described - Westwood, J. O. (John Obadiah), 1805 -1893 (G. Routledge, 1887)

Butterflies of Hongkong - Kershaw, John Crampton Wilkinson, 1871 -1951 (Kelly & Walsh, 1907)

The butterflies of Montana : with keys for determination of species - Elrod, Morton J. (Morton John), 1863 -1953 (University of Montana, 1906)

The butterflies of the Bahama Islands, British West Indies (Lepidoptera) - Gertsch, Willis John, 1906 - (American Museum of Natural History, 1952)

The butterflies of the British Isles - South, Richard, 1846 -1932 (F. Warne, 1906)

The butterflies of the eastern United States and Canada : with special reference to New England - Riley, Charles V. (Charles Valentine), 1843 -1895 (The author, 1889)

Butterflies of the Green Mountain National Forest - United States. State; Private Forestry. Northeastern Area. (U.S. Dept. of Agriculture, Forest Service, 1996)

The butterflies of the Van Voast-American Museum of Natural History Expedition to the Bahama Islands, British West Indies - Rindge, Frederick H. 1921 -1996 (American Museum of Natural History, 1955)

Butterflies worth knowing, by Clarence M. Weed... - Weed, Clarence Moores, 1864 -1947 (Doubleday, Page & company, 1917)

Butterflies worth knowing - Weed, Clarence Moores, 1864 -1947 (Pub. by Doubleday, Page & Company for Nelson Doubleday, 1923)

The butterfly book : a popular guide to a knowledge of the butterflies of North America - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday, Page, 1898)

The butterfly book : a popular guide to a knowledge of the butterflies of North America - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday & McClure, 1899)

The butterfly book : a popular guide to a knowledge of the butterflies of North America - Holland, W. J. (William Jacob), 1848 -1932 (W. Briggs, 1898)

The butterfly book : a popular guide to a knowledge of the butterflies of North America - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday, 1902)

The butterfly book; a popular guide to a knowledge of the butterflies of North America / The moth book; a popular guide to a knowledge of the moths of North America - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday, Page & Co, 1914)

The butterfly book; a popular guide to a knowledge of the butterflies of North America. With 48 plates in color-photography, reproductions of butterflies in the author's collection, and many text illustrations presenting most of the species found in the United States - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday, Page, 1922)

The butterfly book; a popular guide to a knowledge of the butterflies of North America - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday & McClure Co, 1898)

The butterfly book; a popular guide to a knowledge of the butterflies of North America - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday, Page & Co, 1904)

Butterfly counts - Opler, Paul A. (The Society, 1982)

Butterfly counts - Opler, Paul A. (The Society, 1984)

The butterfly guide : a pocket manual for the ready identification of the commoner species found in the United States and Canada - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday, Page & Co, 1920)

The butterfly guide; a pocket manual for the ready identification of the commoner species found in the United States and Canada - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday, Page & company, 1915)

The calendar of nature, or, The seasons of England - Cradock, E. Grove, Mrs. (Dickinson, Bros, 1849)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1899)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1901)