(File vers 5.3 16/2/19) Ian Pouncy's Personal Website Links Page
W3 Schools Website HTML, PHP and Javascript Tutorial Site. Not full spec tutorials (for instance it doesn't give information about PHP classes), but quite good.
PHP.net Website More complete PHP site. Less tutorial, more complete information including PHP class definitions.
Falkirk Wheel Website Official website about the Falkirk Wheel. (Scottish Canals.)