1. The National Archives, 1998. The Future and How to Think about It. Performance and Innovation Unit. Archived 12 February 2001. https://webarchive.nationalarchives.gov.uk/ukgwa/20010212100037/http://www.cabinet-office.gov.uk:80/Innovation/2000/strategic/future.html. Accessed 1 July 2023.
2. Douglas Alexander, 2023. 14 February.
3. Ed Balls, 2016. 7 July.
4. Greg Barker, 2015. 13 November.
5. Margaret Beckett, 2016. 12 July.