A primary source for much of the information on the Barossa Valley is the book, The Barossa - A Vision Realised [1].
References:
[1] Munchenburg, R.S., Proeve, H.F.W., Ross, D.A., Hausler, A., Saegenschnitter, G.B. The Barossa - A Vision Realised Barossa Valley Archives and Historical Trust: Tanunda, 1992.
Links:
History of Our Region (The Barossa Council)
A summary of towns or localities with Anglican, Lutheran, Roman Catholic or other churches and cemeteries located in the Barossa Valley region of South Australia and nearby places