http://book.klll.cc/ebooks/subject/12780.opds?sort_order=title 2025-11-18T13:23:07Z Books about Astronomers -- United States -- Biography Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-18T13:23:07Z https://book.klll.cc/ebooks/10202.opds Maria Mitchell: Life, Letters, and Journals Maria Mitchell 2025-11-18T13:23:07Z https://book.klll.cc/ebooks/19309.opds Reminiscences of an Astronomer Simon Newcomb