Our own graphic novel 'Fight the Power! A Visual History of Protest Among the English Speaking Peoples', mentioned in this post of Downthetubes has a chapter on Peterloo in it.
https://downthetubes.net/?p=110113&fbclid=IwAR2VHGbsE5FHhCVod2twiNp2zk77tKPVk5e9u7Ysw2Xe46Fp1tij94ukwuo