9 sources cited across the USA corpus — aggregated from all document Primary Sources Consulted blocks, deduplicated by title prefix.
This document is a synthesis of secondary-source bibliography. The works enumerated in §§2–8 below constitute the canon. The document's analytical contribution is the organization, the inter-author commentary on contested readings (with explicit attention to the partisan-divergence-by-period axis that runs through the post-2005 American canon), and the identification of open questions.
The bibliographic frame is built from:
The cumulative bibliographies of the principal post-2005 American-presidency surveys, integrated by era — Suskind (Bush II), Lizza-Klein-Lewis (Obama), Wolff-Haberman-Karl (Trump-1), Allen and Parnes-Whipple (Biden), and the emerging post-January 2025 Trump-2 literature.
The American Political Science Association (APSA) *Perspectives on Politics* and *American Political Science Review* review essays from 2010–2024.
The Brookings Institution, the Council on Foreign Relations, the American Enterprise Institute, the Heritage Foundation, the Cato Institute, the Center for American Progress, and the Niskanen Center publication archives.
The Federalist Society, the American Constitution Society, the Hoover Institution, the Manhattan Institute, the Center for the Study of the Presidency and Congress, and the Miller Center at the University of Virginia publication archives.
The Pew Research Center, Gallup, Marist, Quinnipiac, and the broader public-opinion survey-research bodies.
The Federal Register, GovInfo.gov, the Library of Congress, the National Archives Presidential Libraries (Bush II at SMU; Obama at Chicago; Trump at the Eisenhower Executive Office Building National Archives interim arrangement; Biden at the University of Delaware-affiliated arrangement), the Government Publishing Office archives.
Where this document quotes specific assessments of a work's canonical position, those assessments are attributed by name to the reviewer or surveyor concerned.