Mars is more based on an Etruscan agricultural god, than Ares, the near mindless Greek god of warfare.
My Dictionary of Roman Religion goes on about his festivals, his holidays, his lineage, proper symbols and sacrifices.
thank you very much!
http://luccav.com/ This should help some.
I would sugest "The Greek Myths" by robert Graves in the section "Aries Nature and Deeds" At the end of the section Graves quotes numerous clasicalsources which you can follow up on.