COPPER_ALLOY_PIN
- Downes, Amy. Pin. Still Image, January 11, 2015. SWYOR-77388. Portable Antiquities Scheme. http://finds.org.uk:443/database/artefacts/record/id/717268.
- “Fibula (Brooch).” Wikipedia, February 28, 2017. https://en.wikipedia.org/w/index.phptitle=Fibula_(brooch)&oldid=767959808.
- “Hurstwic: Clothing in the Viking Age.” Accessed April 26, 2017. http://www.hurstwic.org/history/articles/daily_living/text/clothing.htm.
- Museum, The British, and Great Russell Street. “Record ID: SWYOR-77388A - EARLY MEDIEVAL Pin.” The Portable Antiquities Scheme. Accessed April 16, 2017. http://finds.org.uk:443/database/artefacts/record/id/717268.
- “Pins - The Viking Age Compendium.” Accessed April 25, 2017. http://www.vikingage.org/wiki/wiki/Pins.