http://book.klll.cc/ebooks/author/38543.opds?sort_order=release_date2025-11-18T09:14:16ZBooks by Levick, G. Murray (George Murray)Free eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-11-18T09:14:16Zhttps://en.wikipedia.org/wiki/George_Murray_LevickSee also: en.wikipedia2025-11-18T09:14:16Zhttps://book.klll.cc/ebooks/36922.opdsAntarctic Penguins: A Study of Their Social HabitsG. Murray Levick