Thanks Hans! I'll look for those books on amazon. I'm so enjoying the 'research' of the beads. I just became aware of the Neiger Brothers and had to review this collection, and sure enough it looks like I have POSSIBLY 3 necklaces, either NEIGER or 'inspired' by them. And then went on to read about what happened to the brothers Max and ... oh dear, can't remember his name. It's another way to absorb history, should be taught this way in schools instead of memorizing dates! :)