http://book.klll.cc/ebooks/subject/32132.opds 2025-09-21T03:31:16Z Books about Reis, Philipp, 1834-1874 (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 2025-09-21T03:31:16Z https://book.klll.cc/ebooks/56542.opds Philipp Reis: Inventor of the Telephone Silvanus P. Thompson