Presbyterians of the Past is a resource for readers interested in Presbyterian and Reformed history. Through articles, biographies, reviews, and antiquarian publications, the site explores the people, institutions, ideas, and traditions that have shaped these communities. Its broad collection covers subjects including the Reformation, Huguenots, missions, worship, church architecture and design, old churches, and the Westminster Standards. Dedicated sections highlight figures such as B. B. Warfield and Presbyterian moderators, alongside historical topics connected to South Carolina and Greenville.

The site also publishes notes and news that introduce books, journal articles, sermons, and other resources relevant to historical and theological study. Recent posts feature biographies of ministers, professors, and public figures, as well as reviews and discussions of works on topics ranging from Reformation-era medicine to contemporary scholarship on J. Gresham Machen. Organized by category and archive, Presbyterians of the Past offers a navigable collection for researchers, students, church members, and general readers seeking engaging material on Presbyterian heritage and the wider Reformed tradition.