http://book.klll.cc/ebooks/subject/37749.opds 2025-08-31T07:29:38Z Books about Mercury -- Therapeutic use -- Early works to 1800 (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 2025-08-31T07:29:38Z https://book.klll.cc/ebooks/68077.opds Observations on the Operation and Use of Mercury in the Venereal Disease Andrew Duncan