References
History
1. Illustrated precis: http://www.livius.org/ct-cz/cyrene/cyrene.html
2. Herodotus: http://www.fordham.edu/halsall/ancient/630cyrene.asp
3. Wiki article: http://en.wikipedia.org/wiki/Cyrenaica
Silphium
- John Tatman's monograph on the plant: http://www.ancient-coins.com/resourcedetail.asp?rsc=8