http://book.klll.cc/ebooks/author/52106.opds?sort_order=downloads 2025-11-17T03:50:12Z Books by Swinden, Jan Hendrik van Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-17T03:50:12Z https://nl.wikipedia.org/wiki/Jean_Henri_van_Swinden See also: nl.wikipedia 2025-11-17T03:50:12Z https://en.wikipedia.org/wiki/Jean_Henri_van_Swinden See also: en.wikipedia 2025-11-17T03:50:12Z https://book.klll.cc/ebooks/62755.opds Beschrijving van het Rijks-Planetarium te Franeker (Dutch) W. Eekhoff and Jan Hendrik van Swinden