http://book.klll.cc/ebooks/subject/24518.opds 2025-08-05T19:37:07Z Books about Drugs -- Handbooks, manuals, etc. (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 2025-08-05T19:37:07Z https://book.klll.cc/ebooks/41697.opds Merck's 1899 Manual of the Materia Medica Merck & Co.