You can get a lot of the important bareknuckle books for free online. Don't take them as gospel. but a lot of what you see is taken from them anyway, so you might as well go to the source rather than an interpretation of them. Pancratia https://archive.org/stream/pancratiaorahis00unkngoog#page/n8/mode/2up Pugilistica Vol I https://archive.org/details/pugilisticahist02milegoog/page/n6 Vol II https://archive.org/details/in.ernet.dli.2015.463860/page/n5 Vol III https://archive.org/details/pugilisticahist01milegoog/page/n14