There was a two-part series of articles regarding the Hs 129, published in the special series of the Flug Revue magazine earlier this year:
http://flug-revue.rotor.com/FRSuperl/FRHist52.htm
http://flug-revue.rotor.com/FRSuperl/FRHist53.htm
If anyone has these two issues, I'd appreciate if I would be contacted, at: denesbernad[AT]sympatico.ca
Replace [AT] with @
Thank you.