Hello.My Name is Philipp Marquardt and i am a Reseracher in Germany(live in lower Saxony not far away from Hannover in Salzgitter/Bad).Muelsen is close to the City Zwickau(here was the east german Car Trabant made) and this a Area were most Churchrecords are still in the Communitys itself.So it is very likely that the Books from Muelsen are still there.Here is my E-mailadress:imothep240@yahoo.de
The oldest orginal Books i searched in that Region are from the mid 17th Century