1. The Q-sort method in personality assessment and psychiatric research;Block,1961
2. Lives through time;Block,1971
3. The Q-sort in character appraisal: Encoding subjective impressions of persons quantitatively;Block,2008
4. Structural equations with latent variables;Bollen,1989
5. Generativity status measure. Interview and scoring manual. Unpublished manuscript;Bradley,1996