http://book.klll.cc/ebooks/subject/38197.opds 2025-09-01T10:33:14Z Books about Arts and society (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 2025-09-01T10:33:14Z https://book.klll.cc/ebooks/69027.opds Mammonart: An essay in economic interpretation Upton Sinclair