[1066AD]

Yes, that's about it, found it here, along with a lot of other historical stuff, some of which is interesting in itself.

[razorback-bert]

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[Bellflower]

One of the best articles on the subject. I first read it quite awhile ago and refer back to it often.
http://atlasshrugs2000.typepad.com/atlas_shrugs/2008/10/how-could-stanl.html