Comparison of two information retrieval methods on videotex: Tree-structure versus alphabetical directory. - Jo W. Tombaugh; Scott A. McEwen (CHI, 1982)

The effect of VDU text-presentation rate on reading comprehension and reading speed. - Jo W. Tombaugh; Michael D. Arkin; Richard F. Dillon (CHI, 1985)

Multi-Window Displays for Readers of Lengthy Texts. - Jo W. Tombaugh; Ann Lickorish; Patricia Wright (Int. J. Man Mach. Stud., 1987)

Measuring the true cost of command selection: techniques and results. - Richard F. Dillon; Jeff D. Edey; Jo W. Tombaugh (CHI, 1990)

Use of IRIS image-enhancement facilities on digital images by radiologists during a clinical trial at the Ottawa Civic Hospital. - Marjorie Coristine; Morris Goldberg; Carolyn Beeton; Richard F. Dillon; Jo W. Tombaugh; Garry Belanger; J. Ahuja (Image Processing, 1990)

User Testing a Programming Language: Experience and Methodology. - Adriane M. Donkers; Marta Arnaldo; Richard Dillon; Jo W. Tombaugh (ACM SIGCHI Bull., 1991)

Observer accuracy in usability testing: the effects of obviousness and prior knowledge of usability problems. - Adriane M. Donkers; Jo W. Tombaugh; Richard F. Dillon (CHI Posters and Short Talks, 1992)

Usability testing: is the whole test greater than the sum of its parts? - Alice Y. K. Wong; Adriane M. Donkers; Richard F. Dillon; Jo W. Tombaugh (CHI Posters and Short Talks, 1992)