Board Thread:General Discussion/@comment-4224349-20150215221102/@comment-4018164-20150216152407

You can try AjaxBatchUndelete. But based on the deletion logs in your wiki, it seems like the pages you're referring to are file pages. While this feature may undelete the file pages, i'm not sure if it's also built for undeleting the versions of the files themselves. But worth checking.