List of the specimens of homopterous insects in the collection of the British Museum ...
British Museum (Natural History). Department of Zoology.
Gray, John Edward, 1800-1875
Walker, Francis, 1809-1874
London :Printed by Order of the Trustees,1850-52.
By Francis Walker, edited by John Edward Gray.
Supplement, (2 p. l., 369,  p.) issued in 1858.
Natural History Museum (London) Publications
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