Frederick Field's Prolegomena to Origenis Hexaplorum quae supersunt sive veterum interpretum graecorum in totum Vetus Testamentum fragmenta - Field, Frederick. (OLS)http://ftis/name/73497; Hardin, Carmen. (OLS)http://ftis/name/73499; Norton, Gérard J. (OLS)http://ftis/name/73498 (Gabalda,, 2005)