There is a vast number of such addresses, and the list is growing at a rather startling rate. Other URL's of Interest Search Engines and Other Devices to Find Sites Click on one of the highlighted items and see if there is anything you find helpful. The Web is constantly growing and changing.
Addresses have a tendency to go away or change.
Servers break down. Don't be discouraged. They have a likelihood of popping up again. One further point. The inventories contained within these pages will grow.