Wizard of Oz and Roycroft Books and Ephemera
Wonderful Books of Oz on Facebook
International Wizard of Oz Club
Oz Connection on YouTube
MyComicShop: vintage Oz & other comics
Wizard of Oz Gifts on Zazzle
The Oz Enthusiast–Oz Collectibles Blog
Book Restoration and Repair
John R Neill Original Art
The Royal Timeline of Oz