http://book.klll.cc/ebooks/subject/4407.opds 2025-08-16T15:22:52Z Books about Social history -- 20th century (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 2025-08-16T15:22:52Z https://book.klll.cc/ebooks/subject/4407.opds?sort_order=title Sort Alphabetically by Title 2025-08-16T15:22:52Z https://book.klll.cc/ebooks/subject/4407.opds?sort_order=release_date Sort by Release Date 2025-08-16T15:22:52Z https://book.klll.cc/ebooks/21413.opds Où va le monde? : Considérations philosophiques sur l'organisation sociale de demain (French) Walther Rathenau 2025-08-16T15:22:52Z https://book.klll.cc/ebooks/52999.opds Lihan evankeliumi: Moraalin arvostelua (Finnish) M. Hahl