Larry Solomon & Eric Leiser, The Caddis and the Angler, Harrisburg, Pennsylvanie, Stackpole Books, 1977, p. 23.
Archives du mot-clé worker
Master masons and builders
S.H. Chubb, « Master Masons and Builders », House & Garden, New York, McBride, Nast & Co., juin 1915, pp. 424-425.
The gigantic mollusk seen by Nemo
Horace Lunt, Across Lots, Boston, D. Lothrop, 1888, p. 179-181.
Prudent workmen
F. A. Pouchet, The Universe : The Infinitly Great and the Infinitely Litlle, Londres, Blackie & Son, 1871, pp. 213-214.
The poor animal
Thomas Rymer Jones, The Natural History of Animals, vol. II, Londres, John van Voorst, 1852, p. 205- 210.