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Foreign butterflies - Duncan, James, 1804 -1861 (W. H. Lizars, 1852)

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Forhandlinger i Videnskabs-selskabet i Christiania - Norske videnskaps-akademi i Oslo. ([Trykt hos Brøgger & Christie, 1880)

Forhandlinger i Videnskabs-selskabet i Christiania - Norske videnskaps-akademi i Oslo. ([Trykt hos Brøgger & Christie, 1881)

Forhandlinger i Videnskabs-selskabet i Christiania - Norske videnskaps-akademi i Oslo. ([Trykt hos Brøgger & Christie, 1882)

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Fritz Müller, Werke, Briefe und Leben - Möller, Alfred, 1860 -1922 (G. Fischer, 1915)

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The Gardeners' chronicle and agricultural gazette (published for the proprietors, 1851)

The Gardeners' chronicle and agricultural gazette (published for the proprietors, 1852)

The Gardeners' chronicle and agricultural gazette (published for the proprietors, 1854)

The Gardeners' chronicle and agricultural gazette (published for the proprietors, 1859)

The Gardeners' chronicle and agricultural gazette (published for the proprietors, 1862)

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The genera of diurnal lepidoptera : comprising their generic characters, a notice of their habits and transformations, and a catalogue of the species of each genus - Westwood, J. O. (John Obadiah), 1805 -1893 (Longman, Brown, Green, and Longmans, 1850)

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The geographical and geological distribution of animals - Heilprin, Angelo, 1853 -1907 (D. Appleton, 1887)

The geographical and geological distribution of animals - Heilprin, Angelo, 1853 -1907 (Kegan Paul, Trench, 1887)

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