http://book.klll.cc/ebooks/subject/6484.opds?sort_order=downloads 2025-09-20T06:10:18Z Books about Teaching, Freedom of (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-09-20T06:10:18Z https://book.klll.cc/ebooks/subject/6484.opds?sort_order=title Sort Alphabetically by Title 2025-09-20T06:10:18Z https://book.klll.cc/ebooks/subject/6484.opds?sort_order=release_date Sort by Release Date 2025-09-20T06:10:18Z https://book.klll.cc/ebooks/40342.opds The Freedom of Science Josef Donat 2025-09-20T06:10:18Z https://book.klll.cc/ebooks/25711.opds Freedom in Science and Teaching. Ernst Haeckel