- “The Presidency: Recovery, Reform, and Joe Biden,” in Nelson, ed., in Nelson, ed., The Elections of 2020 (2021).
- “Presidential Competence,” in Nelson, ed. The Presidency and the Political System (2020)
- “The Presidency: Donald Trump and the Question of Fitness,” in Nelson, ed., The Elections of 2016 (2017)
See Paul Quirk's full research profile here.