http://book.klll.cc/ebooks/author/25436.opds?sort_order=release_date 2025-11-15T04:28:03Z Books by Karpinski, Louis Charles Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-15T04:28:03Z https://en.wikipedia.org/wiki/Louis_Charles_Karpinski See also: en.wikipedia 2025-11-15T04:28:03Z https://book.klll.cc/ebooks/22599.opds The Hindu-Arabic Numerals David Eugene Smith and Louis Charles Karpinski