http://book.klll.cc/ebooks/subject/5496.opds?sort_order=release_date 2025-08-15T06:43:19Z Books about Gravitation (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 2025-08-15T06:43:19Z https://book.klll.cc/ebooks/subject/5496.opds?sort_order=title Sort Alphabetically by Title 2025-08-15T06:43:19Z https://book.klll.cc/ebooks/subject/5496.opds?sort_order=downloads Sort by Popularity 2025-08-15T06:43:19Z https://book.klll.cc/ebooks/70793.opds The foundations of Einstein's theory of gravitation Erwin Freundlich 2025-08-15T06:43:19Z https://book.klll.cc/ebooks/68462.opds Einstein and the universe: A popular exposition of the famous theory Charles Nordmann 2025-08-15T06:43:19Z https://book.klll.cc/ebooks/60271.opds From Newton to Einstein: Changing Conceptions of the Universe Benjamin Harrow 2025-08-15T06:43:19Z https://book.klll.cc/ebooks/41903.opds Einstein et l'univers: Une lueur dans le mystère des choses (French) Charles Nordmann 2025-08-15T06:43:19Z https://book.klll.cc/ebooks/29782.opds Space, Time and Gravitation: An Outline of the General Relativity Theory Sir Arthur Stanley Eddington 2025-08-15T06:43:19Z https://book.klll.cc/ebooks/24667.opds Aether and Gravitation William George Hooper