- EbookA Brief Bible History A Survey of the Old and New TestamentsJames Oscar Boyd
- EbookThe Origin of Paul's ReligionJohn Gresham Machen
- EbookThe Origin of Paul's ReligionJohn Gresham Machen
- EbookThe Foundation of St. Paul's ReligionJohn Gresham Machen
- EbookThe Origin of Paul's ReligionJohn Gresham Machen