Chinese Text Projectctext.org>.

Boltz The origin and early development of the Chinese writing system, William G. Boltz. New Haven, American oriental society: 1994.

Bottéro & Harbsmeier “The Shuowen Jiezi dictionary and the human sciences in China”, Françoise Bottéro and Christoph Harbsmeier, Asia Major, 21 (1), (2008): 249–271. [PDF].

Chi 說文新證, 季旭昇 (Chi Hsu-Sheng). 台北: 藝文印書館印行, [2004] 2014. (年9月二版).

Cikoski 探典釋辭 Notes for a lexicon of classical Chinese volume I: Occasinal jottings on textual evidence possibly applicable to some questions of palæo-Sinitic etymology, arranged in alphabetic order by Archaic Chinese readings 亦多言矣豈不或信 (Version 14 Draft 7 Tweak 144), John Cikoski. The Coprolite Press, Saint Mary’s, Georgia, 1994-2011. [PDF ].

CDOSP Concise dictionary of spoken Chinese 國語字典, Yang Ren Chao 楊聯陞 and Lien Sheng Yang 趙元任. Cambridge: Harvard University Press, London: Oxford University Press, 1947.

DeFrancis ABC Chinese-English Dictionary Ed. John DeFrancis. University of Hawai‘i Press. Honolulu, 2000.

Henshall A guide to remembering Japanese characters, Kenneth G. Henshall. Tōkyō. Charles E. Tuttle Company. Rutland, Vermont & Tokyo 1990 [1988].

Karlgren Grammata Serica Recensa, Bernhard Karlgren. Printed in Bulletin No. 29. The Museum of Far Eastern Antiquities. Stockholm, 1967 [1957]. [archive.org]

Katō et al. 角川字源辞典 (Kadokawa’s dictionary of the origin of Chinese characters) 2nd ed., 加藤常賢 Katō Jōken & 山田勝美 Yamada Katsumi & 進藤英幸 Shintō Hideyuki. 角川書店 Kadokawa shoten. Tōkyō, 1983.

Katō 漢字の起源 (The origin of Chinese characters), 加藤常賢 Katō Jōken. 角川書店 Kadokawa shoten. Tōkyō, 1970.

Kroll A student’s dictionary of Classical and Medieval Chinese, Paul W. Kroll. Brill. Leiden, 2015.

字源, 李學勤 (Lǐ Xuéqín). 天津: 天津古籍出版社, 2013. (2013年7月2次印刷).

Linqvist China: Empire of Living Symbols (on the cover) or China: Empire of the Written Symbol (on the title page) [1991], Cecilia Lindqvist. Da Capo Press edition, 2008. (Translated by Joan Tate.) [epub version]

Ochiai (2011) 甲骨文字小字典 (Small character dictionary of Oracale bone characters) 落合淳思 Ochiai Atsushi. 筑摩書房 Chikuma Shobō. Tōkyō, 2011.

Ochiai (2014) 漢字の成り立ち (The development of kanji) 落合淳思 Ochiai Atsushi. 筑摩書房 Chikuma Shobō. Tōkyō, 2014.

Ochiai (2016) 甲骨文字辞典 (Dictionary of Oracale bone characters) 落合淳思 Ochiai Atsushi. 朋友書店 Hōyū Shoten. Kyōto, 2016.

Outlier Outlier Dictionary of Chinese Characters: Expert Editionwww.outlier-linguistics.com

Powell Writing: Theory and History of the Technology of Civilization, Barry B. Powell. Wiley-Blackwell. www.wiley.com/wiley-blackwell, 2012.

Qiú Chinese Writing 文字學概要, Qiu Xigui 裘锡圭 (Translated by Gilbert L. Mattos and Jerry Norman). The society for the study of early China & The institute of east asian studies, university of California, Berkeley. Birdtrack Press. New Haven, 2000.

Schuessler ABC Etymological dictionary of old Chinese, Axel Schuessler. University of Hawai'i Press. Honolulu, 2007.

Seeley et al. The complete guide to Japanese Kanji: Remembering and understanding the 2,136 standard characters Christopher Seeley and Kenneth G. Henshall with Jiageng Fan. Tuttle. (printed in Singapore), 2016.

Shirakawa 字統   Jitō, 白川静 Shirakawa Shizuka. 平凡社 Heibonsha, 1984.

Xǔ Shèn 說文解字 (Japanese 説文解字), 許慎 Xǔ Shèn . [CE 121].

Wieger Chinese Characters: Their Origin, Etymology, History, Classification and Signification L. Wieger (Translated into English by L. Davrout, S.J.) Second edition, enlarged and revised according to the 4th French edition. Paragon book reprint corp. and Dover publications, Inc, 1965 [1927].