Thanks for the translation of the Forward, Barbara!
I searched for several surnames at that site
and just searched in Hannover. There were about 1000 Meyer names listed,
only about 300 Schr�der names (I had to use the umlaut-o to find them),
about 50 Peters, and then a dozen or so of some of my other surnames.
So I think that the chances of finding documentable connections with
Meyer and Schroeder are pretty slim -- it's like trying to connect
Muellers, or Smiths or Jones in the US.