newsletter
- https://www.dead.net/archives/1972/clippings/spring-72-newsletter-5-8
- https://www.dead.net/archives/1972/clippings/spring-72-newsletter-6-8
- https://www.dead.net/archives/1972/clippings/spring-72-newsletter-7-8
- https://www.dead.net/archives/1972/clippings/spring-72-newsletter-8-8
- https://www.dead.net/archives/1972/clippings/gd-newsletter-2-august-1972-page-4
- https://www.dead.net/archives/1972/clippings/gd-newsletter-2-august-1972-page-3
