https://play.google.com/store/apps/details?id=com.johntibell.warrenwiersbesermons
https://itunes.apple.com/us/author/warren-wiersbe/id423677050?mt=11
https://itunes.apple.com/us/book/the-wiersbe-bible-study-series-exodus/id653971631?mt=11
https://itunes.apple.com/us/book/the-wiersbe-bible-study-series-mark/id589245017?mt=11