For those who are interested in the development of the theology of the Eucharist, Josef Jungmann's 2-volume work The Mass of the Roman Rite is available online here.
I read these volumes a few years ago; he has a lot of interesting insights in the theology of the Lord's Supper in the early patristic period and the development of the concept of the Eucharist itself as a propitiatory sacrifice as opposed to just a spiritual sacrifice by believers. This study will also be of interest to those who interact with Roman Catholic apologists on the topics of the Mass and Transubstantiation, something I have discussed in a couple of posts, including:
I read these volumes a few years ago; he has a lot of interesting insights in the theology of the Lord's Supper in the early patristic period and the development of the concept of the Eucharist itself as a propitiatory sacrifice as opposed to just a spiritual sacrifice by believers. This study will also be of interest to those who interact with Roman Catholic apologists on the topics of the Mass and Transubstantiation, something I have discussed in a couple of posts, including: