http://book.klll.cc/ebooks/subject/41364.opds?sort_order=release_date 2026-01-13T19:13:44Z Books about Didactic literature Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2026-01-13T19:13:44Z https://book.klll.cc/ebooks/77080.opds Collected writings of Clarence Edwin Flynn, first series : 1929 and earlier Clarence Edwin Flynn 2026-01-13T19:13:44Z https://book.klll.cc/ebooks/76029.opds The pearl of days : or, The advantages of the Sabbath to the working classes Barbara H. Farquhar