Corpus research
Analyses
Inspectable findings drawn from comparisons across the catalog, with scope and method stated on every analysis.
What the sermon corpus talks about
The subjects preachers stake claims on, ranked Free explorerThe most-preached scripture
The Bible chapters the pulpit quotes most Free explorerPopular topics in the indexed sermon catalog
Compare annual mix, monthly seasonality, and denominator choices Free explorerSermon topic emphasis over time
What the pulpit dwells on, 2008-2025 PrototypeResearcher membership opens the audited portfolio
Free explorers remain open to everyone. Supporters read Topic Shift in full; researchers read every published analysis.