http://book.klll.cc/ebooks/author/32384.opds 2025-09-22T11:48:59Z Books by Liu, Hui, active 3rd century-4th century (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 2025-09-22T11:48:59Z https://en.wikipedia.org/wiki/Liu_Hui See also: en.wikipedia 2025-09-22T11:48:59Z https://book.klll.cc/ebooks/26979.opds 海島算經 (Chinese) active 3rd century-4th century Hui Liu