http://book.klll.cc/ebooks/author/26045.opds?sort_order=downloads 2025-11-15T17:33:07Z Books by Kalff, Gerrit Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-15T17:33:07Z https://nl.wikipedia.org/wiki/Gerrit_Kalff See also: nl.wikipedia 2025-11-15T17:33:07Z https://book.klll.cc/ebooks/23812.opds Geschiedenis der Nederlandsche letterkunde, Deel I (Dutch) Gerrit Kalff