Conversation so far:
When did Brown publish his autobio?
The 19th issue of Yummy Fur began Brown's autobiographical period in 1990.
What were critics' opinions of the work?
He found his friends were uncomfortable with his writing about their lives, and soon turned to his adolescence for source material.
Was there anything else noteworthy about the autobiography besides when they started and the critics' opinions of the work?
First came the strip Helder, about a violent tenant in Brown's boarding house, followed by Showing 'Helder', about the creation of Helder and the reactions of Brown's friends.
What was Drawn?
With Showing 'Helder' Brown breaks from his earlier syle by giving the panels no borders and arranging them organically on the page—characterizing his work of this period
Did Chester Brown popularize this style?
Around this time, Brown had become friends with the cartoonists Seth and Joe Matt. The three became noted for doing confessional autobio comics in the early 1990s

Question: What was Quarterly?
Self-contained rewrite: What was Quarterly?