Duke Finvarr de Taahe, a good friend of Calontir, has created a website listing his books on chivalry and where they can be purchased:

http://smuhlberger.weebly.com/books-on-chivalry.html

Finvarr is, modernly, an historian named Steve Muhlberger, and the website also includes other sections which reference his books and articles on the history of democracy, 5th C. Latin chronicles. and much more.