http://qsilver.queensu.ca/german/why.htm

http://www.germanlinx.vic.edu.au/careers/whyger.htm

http://www.goethe.de/uk/tor/deutsch/start.htm

http://home.tampabay.rr.com/maseman/why.html

http://www.mckinnonsc.vic.edu.au/la/lote/german/mckinnon/whyger.htm

http://www.serve.com/shea/whygermn.htm

http://www.ex.ac.uk/german/abinitio/whygerm6.html

http://www.serve.com/shea/germusa/ygermusa.htm

http://teacherweb.com/pa/mash/weirich/h4.stm