e (band)

Media coverage:

• May 1972 in Eternity "A Year in the Life of E", by Phillip Yancey
• Jan 1982 in Contemporary Christian Music "Talent: Petra, e (band)", by Paul Baker
• Jan 1990 in CCM "Comes Full Circle", by Loralee Lindely

Books about e (band)

• "Greg Volz" in The Encyclopedia of Contemporary Christian Music (Mark Allan Powell, 2002).
• Chapter also includes: Greg Xavier Volz.