have a ginder gander at this gem
https://rsarchive.org/Books/GA010/English/RSPC1947/GA010_index.html
“Knowledge of Higher Worlds and Its Attainment” by Rudolph Steiner
News, Media and Science in a post-Globe Reality.
https://rsarchive.org/Books/GA010/English/RSPC1947/GA010_index.html
“Knowledge of Higher Worlds and Its Attainment” by Rudolph Steiner