The more things change, the more motifs stay the same

Chris Ware, 2005:

Chris Ware, 2010:



I don't know if this counts as a callback, but this page in the most recent installment of Acme Novelty Library did make me think of a line in one of the "ads" that cluttered pages of the big Acme Novelty Library hardcover from five years ago.  In case I was the only one who noticed, I figured it was worth pointing out.