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Best bet is to ask John Freeman for the specifics and if it is from the printed bio then just add that into the general references area - it might be obscure but it is legit (I added an obscure bio for John Higgins, John Higgins (comics)#References, and as long as it is out there it is easy enough to reference - if anyone raises an eyebrow I'm sure we could get a scan but it should be fine). (