http://book.klll.cc/ebooks/subject/22783.opds?sort_order=title 2025-08-16T23:02:53Z Books about Idea (Philosophy) (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-16T23:02:53Z https://book.klll.cc/ebooks/subject/22783.opds?sort_order=release_date Sort by Release Date 2025-08-16T23:02:53Z https://book.klll.cc/ebooks/subject/22783.opds?sort_order=downloads Sort by Popularity 2025-08-16T23:02:53Z https://book.klll.cc/ebooks/38427.opds World as Will and Idea (Vol. 1 of 3) Arthur Schopenhauer 2025-08-16T23:02:53Z https://book.klll.cc/ebooks/40097.opds World as Will and Idea (Vol. 2 of 3) Arthur Schopenhauer 2025-08-16T23:02:53Z https://book.klll.cc/ebooks/40868.opds World as Will and Idea (Vol. 3 of 3) Arthur Schopenhauer