In addition to The Shepherd of Hermas, the collection includes the First and Second Letters of Clement, the Letters of Ignatius, Polycarp, and Barnabas, the Didache, and sometimes the Letter of Diognetus and the Martyrdom of Polycarp. Translations of most of them, including Hermas, are available in two volumes in the Loeb Classical Library, with Greek text, edited by Kirsopp Lake (Cambridge, MA: Harvard Univ. Press, 1912, with many reprintings); The Apostolic Fathers: A New Translation and Commentary in six volumes, edited by Robert M. Grant (London/Toronto: Thomas Nelson, 1968; the Shepherd of Hermas is vol. 6 by Graydon F. Snyder); and The Apostolic Fathers, edited by Jack Sparks (Nashville: Thomas Nelson, 1978).