1. Lehrbuch der Psychiatrie;Bleuler,1942
2. Klinische und elektroencephalographische Untersuchungen bei therapieresistenten schizophrenen Psychosen;Flügel,1964
3. Eugen Bleuler's concept of the group of schizophrenias at mid-century;Freyhan;Amer. J. Psychiat.,1958
4. The prognosis in schizophrenia;Langfeldt;Acta Psychiat. Scand. (Kbh) Suppl.,1956
5. Old and new problems in connection with neuroleptic substances (based on butyrylperazine as an example);Lieser;Med. Wschr.,1961