Evaluating the equality or inequality of symbol strings in APL. - Geraldine MacDonald (APL, 1974)

Visiting user services personnel. - Geraldine MacDonald; Patricia Box (SIGUCCS, 1979)

Improving user services through system performance data bases. - Geraldine MacDonald (SIGUCCS, 1981)

A special group of users: Instructional faculty. - Geraldine MacDonald (SIGUCCS, 1983)

Cross-Border Transaction Liability. - Geraldine MacDonald (IEEE Secur. Priv., 2006)