↑ Chinese History: A Manual - Page 408 Endymion Wilkinson - 2000 -"Kedou 蝌蚪文 (tadpole) script was another variety of seal script. It was named after its appearance: heavy strokes at the top tapering off at the bottom.
↑ Yin Khoon Wong Unlocking the Chinese heritage - 1990- Page 18 "TADPOLE SCRIPT The origin of Tadpole Script was recorded thus: In the 2nd century, when the house of the Sage Confucius was pulled down for rebuilding, old books written in ancient characters were uncovered from a hiding place behind..."
↑ Walter Hillier The chinese language and how to learn it manual for beginners - - 1923 Page 8 "Of this latter form few, if any, genuine examples exist, though tradition has it that a copy of a portion of the Chinese Classics written in the " tadpole " script was discovered about the year 150 B.C. hidden away in the walls of the house originally..."
↑ Monthly list of Chinese books - Volume 3, Issues 1-12 - Page 7 1962 "In the last year of Han dynasty, "tadpole script" was created. The ancient-style characters in the Three Style Stone Classics were carved with broad heads and thin tails (Figs. 17 & 18), somewhat like tadpoles. (Tadpole script with big heads and..."
↑ From deluge to discourse: myth, history, and the generation of... - Page 10 Deborah Lynn Porter - 1996 "... most scholars of ancient texts; he concludes that the texts were written in the "ancient script," that is, the "script that was used during the Chou era"; "tadpole script" was simply a popular way of referring to the "ancient script of the Chou period.
↑ The road to East Slope: the development of Su Shi's poetic voice - Page 102 Michael Anthony Fuller - 1990 "He is said to have invented the seal script. The Shui jing zhu TKILif. (Commentary on the Shui Jing) explains that the term "tadpole script" was applied to the seal script when the old texts were IO2 Fengxiang and the Poetry of Immanent Pattern."
↑ [Hậu Hán]Hứa Thận,《Thuyết văn Giải tự·Tự(敘)》. Hứa Thận viết:「Chu Thái sử Trứu trứ Đại Triện thập ngũ thiên dữ Cổ Văn hoặc dị」
