BiblioVault may have an electronic file which would meet your requirements for this title:
Euripides IV: Helen, The Phoenician Women, Orestes
Euripides, Mark Griffith, Glenn W. Most, David Grene, Richmond Lattimore, Mark Griffith, Glenn W. Most, David Grene and Richmond Lattimore
Paper: 978-0-226-30896-8
Cloth: 978-0-226-30895-1
Electronic: 978-0-226-30937-8