The Letter to the Hebrews,one letter of John, he rejects the Shepherd of Hermas,which is a book that we include in a groupings of writing we call the Apostolic Fathers.

希伯来书，它是约翰的一封书信，他摈弃了黑马牧人书,我们把它列入了使徒教父文集里。

耶鲁公开课 - 新约课程节选