09-29-2005, 07:43 PM
I think the three books of Marcus Junkelmann about the Roman cavalry are the best source. The third book has a lot of information about the equipment, including helmets of course:
http://www.amazon.de/exec/obidos/ASIN/3 ... 28-1792862
http://www.amazon.de/exec/obidos/ASIN/3 ... 28-1792862
--- Marcus F. ---