Official Sites:

Pokemon.com
The official Pokemon site.

Identifying Counterfeit Pokemon
From the official site, this page tells you how to spot fake Pokemon items.

Pages on RTM:

Toy Fair 99
The Raving Toy Maniac's coverage of Pokemon at the 1999 Toy Fair: pictures of the new toys and action figures coming out in 1999.

Elsewhere on the Net:

The Great Pokemon Crash of 2000
From About.com's Economics site: a 2000 article explaining why the values of Pokemon cards fell.

Is Pokemon Addictive?
From About.com's Mental Health site: an explanation of what addiction is and how parents can judge how much Pokemon is too much.

KFC Bean Bag Toy Scans
Scans of the KFC Pokemon bean bag toys. This page has a long load time.

Pokemon 101
Basic information about what Pokemon is and what collectibles are out there.

Pokemon Island
Describes the first US-released Pokemon action figures and toys.