Convert-Me.Com A collection of conversion tables, including Old Roman and Greek measurements, and how they compare to modern measures. http://www.convert-me.com/en/
The Aerie of the Spirit's Breath Jeremiah Genest's Byzantine Covenant in the Theban Tribunal. This is a great site and has much information on the Byzantine Empire as well as a collection of his Ars Magica writings. http://www.geocities.com/leucretia/ypsoma.html
