postcard
- https://www.dead.net/archives/1972/clippings/postcard-dead-heads
- https://www.dead.net/archives/1972/artwork/europe-72-postcard
- https://www.dead.net/archives/1973/clippings/postcard-wake-flood
- https://www.dead.net/archives/1973/clippings/postcard-wake-flood-0
- https://www.dead.net/archives/1973/clippings/postcard-counterfeit-wake-flood
- https://www.dead.net/archives/1974/clippings/postcard-adams-field
