This is Webster's Revised Unabridged Dictionary (G & C. Merriam Co., 1913, edited by Noah Porter) and is converted from the original one into JIS X 4081 format (that is a subset of EPWING V1) by FreePWING. So it can be used by EPWING viewer on Unix and the other OS (e.g. Windows or MacOS). URL for this converted dictionary is WWW: http://openlab.ring.gr.jp/edict/fpw/