http://book.klll.cc/ebooks/subject/22783.opds?sort_order=release_date 2025-08-15T13:58:42Z Books about Idea (Philosophy) (sorted by release date) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-15T13:58:42Z https://book.klll.cc/ebooks/subject/22783.opds?sort_order=title Sort Alphabetically by Title 2025-08-15T13:58:42Z https://book.klll.cc/ebooks/subject/22783.opds?sort_order=downloads Sort by Popularity 2025-08-15T13:58:42Z https://book.klll.cc/ebooks/40868.opds The World as Will and Idea (Vol. 3 of 3) Arthur Schopenhauer 2025-08-15T13:58:42Z https://book.klll.cc/ebooks/40097.opds The World as Will and Idea (Vol. 2 of 3) Arthur Schopenhauer 2025-08-15T13:58:42Z https://book.klll.cc/ebooks/38427.opds The World as Will and Idea (Vol. 1 of 3) Arthur Schopenhauer