http://book.klll.cc/ebooks/author/32889.opds?sort_order=release_date 2026-01-13T00:48:39Z Books by Silberer, Herbert Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2026-01-13T00:48:39Z https://en.wikipedia.org/wiki/Herbert_Silberer See also: en.wikipedia 2026-01-13T00:48:39Z https://book.klll.cc/ebooks/27755.opds Hidden Symbolism of Alchemy and the Occult Arts Herbert Silberer