Internet Archive Memento, 1 year 258 days after

https://web.archive.org/web/20110916200322/http://www.kew.org/cvalues

16 Sep 2011 20:03:22 GMT  [ +1 year 258 days from requested date ]

archive.is Memento, 3 years 105 days after

http://archive.md/20130415061712/http://www.kew.org/cvalues

15 Apr 2013 06:17:12 GMT  [ +3 years 105 days from requested date ]

Arquivo.pt Memento, 6 years 134 days after

https://arquivo.pt/wayback/20160513121428mp_/http://www.kew.org/cvalues

13 May 2016 12:14:28 GMT  [ +6 years 134 days from requested date ]