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/ccel/schaff/npnf206.v.XCI.html
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