WebRing: deltagreen
- Group of interlinked sites, also known as the Delta Green Web Ring.
- http://www.webring.com/hub?ring=deltagreen

Tynes Cowen Corporation
- This is the website of Pagan Publishing, the creators of Delta Green. Here one can find more information on available game supplements or order Pagan's books.
- http://www.tccorp.com

The Mists of the Aeons
- Delta Green supplementary background stories and details by Christian Conkle
- http://mecha.com/~conkle/cthulhu/dg.html

Emerald Hammer
- Home of an ongoing campaign, fueled by the efforts of many participants, with the Karotechia as a guest star and various descriptions of people, places, and tomes.
- http://www.carnwyffa.u-net.com/