http://book.klll.cc/ebooks/author/57634.opds?sort_order=release_date 2025-11-16T20:35:24Z Books by Ross, Denman Waldo Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-16T20:35:24Z https://en.wikipedia.org/wiki/Denman_Ross See also: en.wikipedia 2025-11-16T20:35:24Z https://book.klll.cc/ebooks/74765.opds A theory of pure design : harmony, balance, rhythm Denman Waldo Ross