Anonyme, Proceedings and report of Council of Education, California Teachers Association, 1898 p. 263 & The School Journal, vol. 56, New York, E.L. Kellogg & Co, 1898, p. 185.
Archives du mot-clé decoration
Rapid transportation
John Henry Comstock & Anna Botsford Comstock, A Manual for the study of Insects, Ithaca New York, The Comstock Publishing Company, 1895, pp. 187-188.