The butterflies of Europe described and figured. Rhopalocera Europae descripta et delineata - Lang, Henry C. (L. Reeve, 1884)

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

The butterflies of India, Burmah and Ceylon. A descriptive handbook of all the known species of rhopalocerous Lepidoptera inhabiting that region, with notices of allied species occurring in the neighbouring countries along the border; with numerous illustrations - Marshall, G. F. L. (George Frederick Leycester), 1843 -1934 (Central Press Co., ld, 1882)

The butterflies of India, Burmah and Ceylon. A descriptive handbook of all the known species of rhopalocerous Lepidoptera inhabiting that region, with notices of allied species occurring in the neighbouring countries along the border; with numerous illustrations - Marshall, G. F. L. (George Frederick Leycester), 1843 -1934 (Central Press Co., ld, 1886)

The butterflies of India, Burmah and Ceylon. A descriptive handbook of all the known species of rhopalocerous Lepidoptera inhabiting that region, with notices of allied species occurring in the neighbouring countries along the border; with numerous illustrations - Marshall, G. F. L. (George Frederick Leycester), 1843 -1934 (Central Press Co., ld, 1890)

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

The butterflies of North America - Edwards, William H. (William Henry), 1822 -1909 (American Entomological Society, 1868)

The butterflies of North America - Edwards, William H. (William Henry), 1822 -1909 (Houghton, Osgood and Company, 1879)

The butterflies of North America Second series - Edwards, William H. (William Henry), 1822 -1909 (Houghton, Mifflin, 1884)

The butterflies of North America - Edwards, William H. (William Henry), 1822 -1909 (Houghton, Mifflin, 1884)

The butterflies of North America; third series - Edwards, William H. (William Henry), 1822 -1909 (Houghton, Mifflin, 1897)

The butterflies of North America - Edwards, William H. (William Henry), 1822 -1909 (American Entomological Society, 1879)

The butterflies of Switzerland and the Alps of central Europe - Wheeler, George, 1858 -1947 (Eliott Stock, 1903)

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)

The butterflies of the eastern United States and Canada with special reference to New England - Scudder, Samuel Hubbard, 1837 -1911 (S.H. Scudder, 1889)

The butterflies of the eastern United States. For the use of classes in zoology and private students - French, G. H. (George Hazen), 1841 -1935 (J.B. Lippincott Company, 1900)

The butterflies of the eastern United States; for the use of classes in zoology, and private students - French, G. H. (George Hazen), 1841 -1935 (J.B. Lippincott Company, 1890)

The butterflies of the eastern United States. For the use of classes in zoology and private students - French, G. H. (George Hazen), 1841 -1935 (J.B. Lippincott company, 1886)

The butterflies of the eastern United States. For the use of classes in zoology and private students - French, G. H. (George Hazen), 1841 -1935 (J.B. Lippincott Company, 1896)

The butterflies of the eastern United States; for the use of classes in zoology, and private students - French, G. H. (George Hazen), 1841 -1935 (J. B. Lippincott company, 1885)

The butterflies of the eastern United States. For the use of classes in zoology, and private students - French, G. H. (George Hazen), 1841 -1935 (J. B. Lippincott Co, 1886)

Butterflies of the Riviera. A short account of the Rhopalocera of the Maritime Alps - Bromilow, Frank (Printed by P. Conso, 1892)

The butterflies of the west coast of the United States; illustrated with 940 figures in color-photography of butterflies from the west coast, nearly all of which were captured by the author, with accurate data for each specimen; with colored figures and descriptions of many new species and new varieties now first published - Wright, W. G. (William Greenwood), 1830 -1912 (The Whitaker & Ray Company (Incorporated), 1905)

The butterflies of the West Coast of the United States : with colored figures and descriptions of many new species and new varieties now first published - Wright, W. G. (William Greenwood), 1830 -1912 (Wright, 1905)

Butterflies; their structure, changes and life-histories, with special reference to American forms. Being an application of the "Doctrine of descent" to the study of butterflies. With an appendix of practical instructions - Scudder, Samuel Hubbard, 1837 -1911 (H. Holt and company, 1881)

Butterflies. Vol. I-II - Bingham, C. T. (Charles Thomas), 1848 -1908 (Taylor and Francis, 1907)

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

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