Roberts published over 1600 articles, almost all of them in peer-reviewed publications. The majority of his original scientific publications focused on anatomic aspects of cardiovascular disease. In addition, Roberts wrote or co-authored a number of articles discussing risk factors and risk-factor management in cardiovascular disease. As editor for both the Baylor University Medical Center Proceedings and The American Journal of Cardiology, Roberts published a number of editorials discussing current trends in cardiovascular medicine.