Muslims needs to read this about the early church leaders in the second century, part one

Papias, Bishop of Hierapolis. He was well known from AD 110-116. He met with Polycarp and possibly even with John the Apostle. In his writings, he quotes from all four accounts of the Gospel of Christ, 1 Peter, 1 John, The Acts of the Apostles and Revelation.

http://www.answering-islam.org/authors/clarke/hug_muslim.html