http://book.klll.cc/ebooks/author/54590.opds?sort_order=downloads 2025-11-19T04:21:42Z Books by Duncan, Andrew Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-19T04:21:42Z https://en.wikipedia.org/wiki/Andrew_Duncan_(physician,_born_1744) See also: en.wikipedia 2025-11-19T04:21:42Z https://book.klll.cc/ebooks/68077.opds Observations on the Operation and Use of Mercury in the Venereal Disease Andrew Duncan