Two major texts of Justin Martyr are now available in one volume (reprint of 1994/1997 editions):
Iustini Martyrs’ Apologiae pro Christianis, a critical edition of Justin Martyrs’ Apologia Maior and Apologia Minor (approx. A.D. 150), consisting of an introduction, Greek text (with double apparatus), Appendix, and a complete Index verborum.
Iustini Martyrs’ Dialogus cum Tryphone, a critical edition of Justin Martyr's Dialogue with Trypho, consisting of an introduction, Greek text (with double apparatus), and an Index locorum and Index nominum.