The effect of windows on man-machine interfaces (or opening doors with windows). - Richard Holcomb; Alan L. Tharp (ACM Conference on Computer Science, 1985)

An amalgamated model of software usability. - Richard Holcomb; Alan L. Tharp (COMPSAC, 1989)

What users say about software usability. - Richard Holcomb; Alan L. Tharp (Int. J. Hum. Comput. Interact., 1991)

Users, A Software Usability Model and Product Evaluation. - Richard Holcomb; Alan L. Tharp (Interact. Comput., 1991)