http://book.klll.cc/ebooks/author/55831.opds?sort_order=release_date 2026-01-13T20:50:49Z Books by Gorgas, William Crawford Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2026-01-13T20:50:49Z https://en.wikipedia.org/wiki/William_C._Gorgas See also: en.wikipedia 2026-01-13T20:50:49Z https://book.klll.cc/ebooks/70624.opds Sanitation in Panama William Crawford Gorgas