http://book.klll.cc/ebooks/author/53660.opds?sort_order=downloads 2025-11-16T13:46:06Z Books by Pólya, Tibor Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-16T13:46:06Z https://hu.wikipedia.org/wiki/P%C3%B3lya_Tibor See also: hu.wikipedia 2025-11-16T13:46:06Z https://book.klll.cc/ebooks/66159.opds Huckleberry Finn kalandjai (Hungarian) Mark Twain