resources for historical sports betting data? (spreads, etc)

[elliot]

repost from internet forum where i was advised to make a post here instead -

doing a senior thesis on the efficient market hypothesis and I am devoting a whole chunk to sports betting strategies, (home underdog NFL bias, etc) can anyone here direct me to a website that i can find this information?

[Performify]

Where can I see past lines for historical purposes?[*]Free Odds Archive via DonBest.com [*]Goldsheet.com[*]Wagerline.com and Covers.com have archives but their reliability is suspect