https://archive.org/details/geschichte-des-okkulten-die-okkulte-philosophie-des-agrippa-von-nettesheim
https://archive.org/details/psychologie-fur-alle-heilung-des-inneren-kindes-auf-dem-pfad-zur-geistigen-balan
https://archive.org/details/der-zins-und-seine-kritiker-bildungszentrum-konstanz
https://archive.org/details/forum-philosophicum-i.-das-schauspiel-alexander-stier-mit-max-reinhardt
https://archive.org/details/forum-philosophicum-ii.-gottes-wille-eine-frage-des-paradigmas-alexander-stier-m