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In page Robert Crumb:

"

*Zap Comix issues from 1 and 0 (1968) through at least 9 (1978) and several more (Apex Novelties, Print Mint, Last Gasp and other transient brand names, generally under Crumb's control, 1968–2016) — #0 and #1 are all drawn by Crumb, the rest have stories by others also