Mark Connelly Photography ~ My main photography site.
Holga Cameras ~ My site about Holga Cameras.
Pinhole Photos ~ My adventures with a pinhole camera.
Toy Cameras ~ My toy cameras and photos in general.
Empire Junior ~ Another classic toy camera of yesteryear.

Dianas on ToyCamera.com - Mike Barnes' archive of Diana information. I'm not sure if this is being updated anymore.
Wikipedia - Diana information on Wikipedia.
ToyCamera.com - Diana information on ToyCamera.com
Diana User Guide - by Huskudu.com