Johanna Collis has written at least 3 books. Their most popular book is Secret Brotherhoods and the Mystery of the Human Double: with 1 save with an average rating of -⭐.
They are best known for writing in the genre Education.
#0 in Collected Works of Rudolf Steiner
2004 • 1 Reader
1962 • 1 Reader
1975 • 228 pages