Recommended Readings
See the following texts for more information multivariate linear models:
Bray, J. H., and S. E. Maxwell. 1985. Multivariate Analysis of Variance. Thousand Oaks, Calif.: Sage Publications, Inc..
Olson, C. L. 1974. Comparative Robustness of Six Tests in Multivariate Analysis of Variance. Journal of the American Statistical Association, 69:348, 894-908.