http://book.klll.cc/ebooks/subject/27322.opds 2025-08-23T16:36:11Z Books about Mach, Ernst, 1838-1916 (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 2025-08-23T16:36:11Z https://book.klll.cc/ebooks/46896.opds Beitrag zur Beurteilung der Lehren Machs : Inaugural-Dissertation zur Erlangung der Doktorwürde (German) Robert Musil