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  1. Elements of entomology: an outline of the natural history and classification of British insects.
    By: Dallas, W. S. (William Sweetland), - Dallas, William Sweetland,
    Publication info: London,J. van Voorst,1857.
    Holding Institution: Multiple institutions
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  2. On a true parthenogenesis in moths and bees; a contribution to the history of reproduction in animals.
    By: Siebold, C. Th. E. von (Carl Theodor Ernst), - Dallas, William Sweetland,
    Publication info: London,J. Van Voorst,1857.
    Holding Institution: University of California Libraries (archive.org)
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