From Epiphanius to Jerome - Short cover letter in which Epiphanius displays his glee at having extracted some anti-Origen statements from other bishops. http://www.ccel.org/fathers/NPNF2-06/letters/letter91.htm
Panarion/Adversus Haereses (Excerpts) - Some sections of Epiphanius's anti-heretical compendium. These excerpts relate to the Council of Nicaea. http://www.tertullian.org/rpearse/epiphanius.html