Lewis, David E. 2012. “Presidential Politicization of the Executive Branch in the United States”. Executive Politics in Times of Crisis. Springer, 41–62.

Piper, Christopher, and David E Lewis. 2023. “Do Vacancies Hurt Federal Agency Performance?”. Journal of Public Administration Research and Theory 33. Oxford University Press US: 313–328.

Lewis, David E, Christopher Piper, and Mark D Richardson. 2022. “When Vacancies Matter for US Federal Agency Performance1”. Referenced from static1.squarespace.com: When Vacancies Matter for US Federal Agency Performance1.

Devins, Neal, and David E Lewis. 2023. “The Independent Agency Myth”. William & Mary Law School Research Paper.

Lewis, David E, Mark D Richardson, and Eric Rosenthal. n.d. “OMB in Its Management Role: Evidence from Surveys of Federal Executives”. Executive Policymaking: The Role of the OMB in the Presidency, 175–206. Referenced from cdn.vanderbilt.edu: OMB in Its Management Role: Evidence from Surveys of Federal Executives.

Lewis, David E, and Mark D Richardson. 2021. “The Very Best People: President Trump and the Management of Executive Personnel”. Presidential Studies Quarterly 51. Wiley Online Library: 51–70. Referenced from doi.org: The very best people: President Trump and the management of executive personnel.

Clinton, Joshua D, Anthony Bertelli, Christian R Grose, David E Lewis, and David C Nixon. 2012. “Separated Powers in the United States: The Ideology of Agencies, Presidents, and Congress”. American Journal of Political Science 56. Wiley Online Library: 341–354. Referenced from doi.org: Separated powers in the United States: The ideology of agencies, presidents, and congress.