Reference

that's all web sites which are I got it information for Alexender:

1. http://www.spartacus.schoolnet.co.uk/USAbellAG.htm

2. http://inventors.about.com/od/bstartinventors/a/telephone.htm

3. http://wiki.answers.com/Q/What_are_alexander_graham_bell's_inventions

4. http://wiki.answers.com/Q/What_awards_did_alexander_graham_bell_win

5. http://www.britainunlimited.com/Biogs/Bell.htm