Classic Sermon Index provides indexing to 64,000+ classic sermons. All are indexed and searchable by primary biblical reference, 75% are hyperlinked to the full sermon, 20,000 are indexed by topic. Date searching goes back to the 2nd century. 
Working Preacher is a ministry brought to you by Luther Seminary. The Working Preacher team believes that God uses good biblical preaching to change lives. They have enlisted biblical scholars, theologians, homileticians and pastors dedicated to the craft of biblical preaching to provide you timely, compelling and trustworthy content. On the site you’ll find exegetical material geared to the weekly lectionary, resources and insights on the Craft of Preaching blog, a scripture index, and podcasts. 