#biography
- VGMPF wiki: Chris Hülsbeck summaryThe most detailed dated timeline of chris-huelsbeck 's C64 years anywhere on the web — a fan wiki, so every date below is second-hand, but it cites the interviews it was built from (listed at the end of the raw page).
- Wikipedia (en): Chris Huelsbeck summaryTertiary, but with two things the wiki did not have: the citation trail (the 64'er contest was announced in issue 6/1986, p. 173) and a claim about who co-created TFMX.
- Wikipedia — Goto80 (en) summaryThe English Wikipedia article on goto80 (revision of 2026-02-02), a tertiary/secondary source: every claim below is Wikipedia's, resting on the article's own citations (Discogs, goto80.com, Truechiptilldeath interviews, …