http://book.klll.cc/ebooks/subject/23229.opds?sort_order=release_date 2025-11-16T11:40:37Z Books about Insects -- Collection and preservation Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-16T11:40:37Z https://book.klll.cc/ebooks/59883.opds How to Collect and Preserve Insects Herbert H. Ross 2025-11-16T11:40:37Z https://book.klll.cc/ebooks/39275.opds Directions for Collecting and Preserving Insects Charles V. Riley