1. Educational Testing Service. (1993). The GRE Computer Adaptive Testing Program (CAT): Integrating Convenience, Assessment, and Technology. Princeton, NJ: Educational Testing Service.
2. Educational Testing Service. (1995). Graduate Record Examinations 1995—96 General Teat Descriptive Booklet. Princeton, NJ: Educational Testing Service. (1995)
3. Educational Testing Service. (1996). Graduate Record Examinations 1996–97 Information & Registration Bulletin. Princeton, NJ: Educational Testing Service.
4. Educational Testing Service. (1997). Graduate Record Examinations 1997–98 Information & Registration Bulletin. Princeton, NJ: Educational Testing Service.
5. Educational Testing Service. (1998). Graduate Record Examinations GRE CAT Pools Analysis Report: Analytical, Quantitative, and Verbal Pools 72 through 75. Unpublished Statistical Report. Princeton, NJ: Educational Testing Service.