Benjamin R. Gampel is the author of Anti-Jewish Riots in the Crown of Aragon and the Royal Response, 1391–1392. I was exposed to his teaching in the Seforim Podcast I posted earlier. There are also a set of video lectures on the JTS Website that I've begun to watch. - https://www.youtube.com/watch?v=GRZkxypF05M&list=PL26FFB572AA027D1F'His book:==>[Anti-Jewish Riots in the Crown of Aragon and the Royal Response, 1391–1392](https://www.amazon.com/Anti-Jewish-Riots-Aragon-Response-1391-1392/dp/1316616398/ref=sr_1_1?qid=1691791541&refinements=p_27%3ABenjamin%20R.%20Gampel&s=books&sr=1-1&text=Benjamin%20R.%20Gampel)