http://book.klll.cc/ebooks/subject/35204.opds 2025-08-22T02:11:17Z Books about Calendar reform -- Early works to 1800 (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 2025-08-22T02:11:17Z https://book.klll.cc/ebooks/62764.opds Remarks upon the solar and the lunar years, the cycle of 19 years, commonly called the golden number, the epact, and a method of finding the time of Easter, as it is now observed in most parts of Europe Earl of George Parker Macclesfield