Microsoft Corporation (2006–2007). "Microsoft ClearType Font Collection"(PDF). Ascender Corp. Ascender Corporation. pp.16–17. Archived from the original(PDF) on 21 December 2008. Retrieved 8 March 2021.
Tyrrell, Richard A. (2001). "47.4: Empirical Evaluation of User Responses to Reading Text Rendered Using ClearType Technologies". SID Symposium Digest of Technical Papers. 32 (1): 1205–1207. doi:10.1889/1.1831776. S2CID62772542.
Tyrrell, Richard A. (2001). "47.4: Empirical Evaluation of User Responses to Reading Text Rendered Using ClearType Technologies". SID Symposium Digest of Technical Papers. 32 (1): 1205–1207. doi:10.1889/1.1831776. S2CID62772542.
Microsoft Corporation (2006–2007). "Microsoft ClearType Font Collection"(PDF). Ascender Corp. Ascender Corporation. pp.16–17. Archived from the original(PDF) on 21 December 2008. Retrieved 8 March 2021.