Fossils of the British Islands stratigraphically and zoologically arranged. Vol. 1. Palæozoic comprising the Cambrian, Silurian, Devonian, Carboniferous, and Permian species, with supplementary appendix brought down to the end of 1886 - Etheridge, Robert, 1819 -1903 (Clarendon Press, 1888)

Fritz Müller, Werke, Briefe und Leben - Möller, Alfred, 1860 -1922 (G. Fischer, 1921)

G. W. Knorrs Verlustiging der oogen en van den geest ; of Verzameling van allerley bekende hoorens en schulpen, die in haar eigen kleuren afgebeeld zyn - Knorr, Georg Wolfgang, 1705 -1761 (By de erven van F. Houttuyn, 1775)

Galerie des mollusques, ou Catalogue méthodique, descriptif et raisonné, des mollusques et coquilles du muséum de Douai - Musée scientifique et archéologique (Douai, France) (J. B. Baillière, 1844)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1874)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1885)

The Gardeners' chronicle and agricultural gazette (published for the proprietors, 1853)

Genera crustaceorum et insectorum secundum ordinem naturalem in familias disposita, iconibus exemplisque plurimis explicata - Latreille, P. A. (Pierre André), 1762 -1833 (A. Koenig, 1807)

Genera crustaceorum et insectorum secundum ordinem naturalem in familias disposita, iconibus exemplisque plurimis explicata - Latreille, P. A. (Pierre André), 1762 -1833 (A. Koenig, 1809)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1910)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1902)