User:Keivan.f/Translations
- https://www.pinterest.com/pin/queen-elizabeth-the-queen-mother-1960-christmas-card-signed--189784571771920725/
- https://twitter.com/ggcanada/status/1574856998302191630 (Archived on 28 September 2022 at this address: https://web.archive.org/web/20220928115703/https://twitter.com/ggcanada/status/1574856998302191630)
- https://www.alamy.com/stock-photo-signature-of-prince-edward-83035649.html
- http://princeofwales.gov.uk/content/documents/RWOP_V2.pdf - page 2
- princess-diana.com