Bulletins de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1893)

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. 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 / 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 - 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-hunting in many lands : notes of a field naturalist - Poulton, Edward Bagnall, Sir, 1856 -1943 (Longmans, Green, and co, 1912)

Calwers Käferbuch; einfürhrung in die kenntnis der käfer Europas - Calwer, C. G. (Carl Gustav), 1821 -1874 (E. Schweizerbart, [etc.], 1916)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Wheldon & Wesley, 1896)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1906)

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

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1895)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1909)

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, 1904)