- Licht-Schatten-15 4107 bisita
- Licht-Schatten-16 4168 bisita
- Licht-Schatten-17 3173 bisita
- Licht-Schatten-18 3816 bisita
- Licht-Schatten-19 4090 bisita
- Licht-Schatten-20 3213 bisita
- Experimente II-01 1949 bisita
- Experimente II-02 1928 bisita
- Experimente II-03 1902 bisita
- Experimente II-04 1841 bisita
- Experimente II-05 1834 bisita
- Experimente II-06 1925 bisita
- Experimente II-07 1939 bisita
- Experimente II-08 2083 bisita
- 44 4056 bisita