Exercises in Measurement, 1969
Lingual Exercises, 1972
Grammatical Exercises, 1973
Exercises in Ethics, 1975
Exercises in Aesthetics 1976
Exercises in Orientation, 1976
Exercises in Semiotics II, 1977
Exercises in Semiotic III, 1977
Exercises in Semiotic IV i V, 1977
Exercises in Evaluation 1977
Exercises in Freedom, 1979
