Apple guide: a case study in user-aided design of online help. - Kevin Knabe (CHI 95 Conference Companion, 1995)

Scaling for the masses: usability practices of the web's most popular sites. - Jared M. Spool; Laura Borns; Eleri J. Dixon; Kevin Knabe; Josh Paluch; David Shen; Marie Tahir (CHI Extended Abstracts, 2000)