http://book.klll.cc/ebooks/subject/36931.opds?sort_order=release_date 2025-08-16T03:42:09Z Books about Scientists (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 2025-08-16T03:42:09Z https://book.klll.cc/ebooks/subject/36931.opds?sort_order=title Sort Alphabetically by Title 2025-08-16T03:42:09Z https://book.klll.cc/ebooks/subject/36931.opds?sort_order=downloads Sort by Popularity 2025-08-16T03:42:09Z https://book.klll.cc/ebooks/75811.opds Nagy tudósok (Hungarian) Apr 7, 2025 2025-08-16T03:42:09Z https://book.klll.cc/ebooks/66373.opds Reglas y consejos sobre investigación científica (Spanish) Santiago Ramón y Cajal