http://book.klll.cc/ebooks/author/52016.opds 2025-08-31T02:07:58Z Books by Ketcham, Victor Alvin (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 2025-08-31T02:07:58Z https://book.klll.cc/ebooks/62583.opds The theory and practice of argumentation and debate Victor Alvin Ketcham