Correspondence and papers of John Selden, with some manuscripts owned by him, including:
- Correspondence, 1616-54
- Papers relating to political affairs, early English history, and legal affairs during Charles I's reign
- Lectures on Aristotle given at the Jesuit College, Rome, late 16th century
- Lectures on St. Thomas Aquinas, Summa Theologica, and related questions, probably given at the Jesuit College, Rome, early 17th century