winterland
- https://www.dead.net/archives/1969/artwork/winterland-arena-poster-peoples-park-bail-ball-benefit
- https://www.dead.net/archives/1970/clippings/article-san-francisco-chronicle-ralph-gleason-0
- https://www.dead.net/archives/1970/photos/winterland-arena
- https://www.dead.net/archives/1970/clippings/article-fremont-news-register
- https://www.dead.net/archives/1971/artwork/sufi-benefit-poster
- https://www.dead.net/archives/1971/artwork/winterland-arena-sufi-benefit-poster
