THIS WAS YOUR LIFE (1960) was the very first tract he did, that you can read at the link in its brief entirety. As I recall that was the only one he did for a while, and then at some point expanded the line to address the issues of various groups of people.
I wonder if he was a reader of the EC titles, or of MAD, CREEPY and EERIE, that were the continuation in the EC tradition, that spawned the Underground comics around 1965-1968 of the first underground comics artists. Because his work is arguably in that tradition. Despite his work being polar opposite the "pure Id" indulgence of underground artist like Jaxon, Crumb, Shelton, Sheridan, and the like.
