The butterflies of Australia : a monograph of the Australian Rhopalocera : introducing a complete scheme of structural classification and giving descriptions and illustrations of all the butterflies found in Australia, including a number now recorded for the first time - Waterhouse, Gustavus A., 1877 -1950 (W.C. Penfold, 1914)

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

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

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)

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

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 Maine ... - Fernald, C. H. (Charles Henry), 1838 -1921 (Sprague & Son, 1884)

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

The butterflies of New Brunswick - McIntosh, William ([s.n, 1899)

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 (American Entomological Society, 1868)

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