1. Analysis of an abbreviated form of the Wisconsin card sorting test
2. Performance of adults ages 20 to 90 on the abbreviated Wisconsin card sorting test
3. Wisconsin Card Sort Test Performance in a Healthy Elderly Population
4. Heaton, R. K., Chelune, G. J., Talley, J. L., Kay, G. G. & Curtiss, G. (1993). Wisconsin Card Sorting Test manual: Revised and expanded. Odessa, FL: Psychological Assessment Resources.
5. Kongs, S. K., Thompson, L. L., Iverson, G. L. & Heaton, R. K. (2000). Wisconsin Card-Sorting Test-64 Card version professional manual. Odessa, FL: Psychological Assessment Resources.