Some good stuff in these PDF’s by Sing London
https://www.efdss.org/efdss-education/resource-bank/resources-and-teaching-tools/singing-histories
Just currently looking at the ‘Petition of the Pigs in Kent’ ballad from the Kent book… https://media.efdss.org/resourcebank/docs/EFDSS_Education_RecentProjects_SingingHistoriesKent.pdf