http://book.klll.cc/ebooks/subject/34703.opds?sort_order=release_date 2025-09-18T07:25:55Z Books about Astronomical models (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 2025-09-18T07:25:55Z https://book.klll.cc/ebooks/subject/34703.opds?sort_order=title Sort Alphabetically by Title 2025-09-18T07:25:55Z https://book.klll.cc/ebooks/subject/34703.opds?sort_order=downloads Sort by Popularity 2025-09-18T07:25:55Z https://book.klll.cc/ebooks/62362.opds An epitome of astronomy, with the new discoveries William Walker 2025-09-18T07:25:55Z https://book.klll.cc/ebooks/61683.opds The description and use of the globes and the orrery Joseph Harris