Tiger I reference

[James Tainton]

http://www.panzerbasics.com/

[greybeard]

Another good site:
http://tiger1.info/

and this:
http://www.missing-lynx.com/panzer_facts/pftiger.htm

http://www.alanhamby.com/tiger.html

http://travel.webshots.com/album/561361268TCnunY

http://www.tiger-tank.com/index.html

and a nice blog here:
http://www2.mrc-lmb.cam.ac.uk/personal/pdh/tiger/index.html