Chapter 2: The Early Days of Britain

http://benedante.blogspot.com/2013/08/anglo-saxon-brooches.html?m=1

http://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=64612&partId=1

https://en.wikipedia.org/wiki/Ædwen%27s_brooch

http://www.fensmuseums.org.uk/page/Aedwens_brooch

https://www.pinterest.com/huntermyoder/silver-brooch-of-aedwen/?lp=true

http://www.odinsvolk.ca/dragon.htm

https://en.wikipedia.org/wiki/Celtic_brooch

how to make a penannular brooch:

how to make a penannular brooch: https://medievalyork.com/2015/08/26/easy-metal-project-basic-penannular-brooches/, https://dawnsdressdiary.wordpress.com/2014/09/30/hand-made-penannular-brooch/