JesusWalk: Luke - Discipleship lessons from Luke's Gospel. Includes e-mail discussion. - http://www.jesuswalk.com/luke/
Introducing Luke - An introduction to the gospel of Luke and study questions drawn from the NIV Quiet Time Bible. From InterVarsity Press. - http://www.ivpress.com/bible/luke/
The New Media Bible: The Good Samaritan - [English and Spanish] Multimedia presentation by the American Bible Society of Luke's version of the Good Samaritan. - http://www.newmediabible.org/
The Teachings of Jesus Christ as Told by Luke - Selected passages explained including Jesus' birth, sermon on the plain, and the Lord's prayer. - http://www.sitelane.com/luke/index.html
The Gospel of Luke. An Introduction for Preachers - Written by William Loader, professor of New Testament at Murdoch University and New Testament Lecturer of the Perth Theological Hall of the Uniting Church in Australia. - http://wwwstaff.murdoch.edu.au/~loader/Luke.htm