https://archive.org/details/die-macht-der-banken-moconomy
https://archive.org/details/franz-kafka-ein-hungerkunstler-mit-zeithistorischen-quellen-zur-hungerkunst
https://archive.org/details/megatrend-manifestieren-welche-macht-haben-unsere-gedanken-sternstunde-philosophie-srf-kultur