Edward C. Ash, Pond Life, Londres, The People Book, 1913, p. 47-49.
Archives du mot-clé order
Its original order
Paul M. Quay, The Mystery Hidden for Ages in God, New York, Peter Lang, 1995, p.326.
A characteristic choice
Clifford Bennett Moore, The Book of Wild Pets: Being a Discussion on the Care and Feeding of Our Native Wildlife in Captivity, Boston, O. T. Branford & Co., 1954, pp. 86-88.
Grills
Samuel Jackson Holmes, The elements of animal biology, Philadelphie, P. Blakiston’s Son & Co, 1919, p. 73.