Mark 16:17

Here is proof that Mark 16:17 belongs in the Bible:

The Authenticity of Mark 16:9-20 is discussed in this summary of a 160 page research paper by James Snapp Jr.

Additional Evidence

Here is a three-part video lecture online at YouTube by James Snapp, Jr. He covers some early patristic evidence pertaining to the authenticity of Mark 16:9-20, reviewing some 30 patristic witnesses.

 A summary of James Snapp Jr.'s work can be found here. 

Bible Study Tools

On Line Bibles

Bible Gateway
Biola Univeristy's Online Bible

Original Language Tools

Greek
Online Lexicon

Hebrew
Online Lexicon

Original Language Courses

Learning Greek
Learning Hebrew