http://book.klll.cc/ebooks/subject/7656.opds 2025-08-10T13:34:46Z Books about Disasters -- 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 2025-08-10T13:34:46Z https://book.klll.cc/ebooks/15158.opds In Time of Emergency United States. Office of Civil Defense