SOURCE-06563Research NeededProbable
Costen, Michael D. (2006). "Trencavel, Family". In Alan V. Murray (ed.). The Cru...
Full citation
Costen, Michael D. (2006). "Trencavel, Family". In Alan V. Murray (ed.). The Crusades: An Encyclopedia. Vol. 4. Available online at: The Crusades: An Encyclopedia. Vol. 4