Contents: R.C. Atkinson, Foreword. Preface. C. Izawa, On Human Memory: A Brief Introduction. R.M. Shiffrin, 30 Years of Memory. B.B. Murdock, The Buffer 30 Years Later: Working Memory in a Theory of Distributed Associative Model (TODAM). W.K. Estes, Models of Human Memory: A 30-Year Retrospective. J.G.W. Raaijmakers, R.H. Phaf, Part-List Cuing Revisited: Testing the Sampling-Bias Hypothesis. D.D. Ohrt, S.D. Gronlund, List-Length Effect and Continuous Memory: Confounds and Solutions. M.S. Humphreys, G. Tehan, Cues and Codes in Working Memory Tasks. A.F. Healy, T.F. Cunningham, Recall of Order Information: Evidence Requiring a Dual-Storage Memory Model. C. Izawa, Efficiency in Acquisition and Short-Term Memory: Study-Test-Rest Presentation Programs and Learning Difficulty. S.E. Clark, Recalling to Recognize and Recognizing Recall. T.D. Wickens, Measuring the Time Course of Retention.