Alfred Smee, My Garden : its plan and culture together with a general descriptin of its geology, botany, and natural history, Londres, Bell and Daldy, 1872, pp. 480-481.
Archives du mot-clé agate and onyx
The Great architect
Edward Simpson, Insect Lives, as told by themselves, Londres, The Religious Tract Society, circa 1910, pp. 70- 73.
The lady in question
Anonyme, « The caddis fly », Vick’s Monthly Magazine, New York, Vick’s Publishing Co., janvier, 1880, pp. 62-63.
A lady
Rev. William Houghton, Country walks of a naturalist with his children, Londres, Groombridge, 1869.
Fagot
William Houghton, « Caddis-Worms and their Metamorphoses », Londres, Popular Science Review, vol. 7, 1868, p. 288-290.
Ingenious experiment
Frank T. Buckland, Fish hatching, Londres, Tinsley Brothers, 1863, p. 244-246.