
http://www.rand.org/content/dam/rand/pubs/research_reports/RR1700/RR1786z1/RAND_RR1786z1.pdf

https://www.ips-journal.eu/topics/foreign-and-security-policy/an-end-to-germanys-end-of-history-6786/

https://committees.parliament.uk/publications/22344/documents/165210/default/