Several constructed languages are closer to the oligosynthetic type than any attested natural languages:
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"Gorbiel 1.1". Archived from the original on 13 July 2011. Retrieved 26 May 2010. https://web.archive.org/web/20110713123048/http://lingvo.jtusz.com/gorbiel/specs/ ↩
"A Grammar of the language Lin". Archived from the original on 3 March 2007. Retrieved 26 May 2010. https://web.archive.org/web/20070303233352/http://www.iiap.res.in/personnel/srik/Lin.html ↩
"Pleistocenese – A language of 40,000 BC". Retrieved 24 July 2016. http://jbr.me.uk/pleisto.html ↩
"Europan – The decipherment of Non-Linear B". Retrieved 24 July 2016. http://jbr.me.uk/euro/ ↩
"Classical Yiklamu". Retrieved 24 July 2016. http://www.polymathix.com/yiklamu/ ↩