President's Daily Briefs from Kennedy and Johnson Finally Released

The Legacy of John F. Kennedy - The Atlantic

CIA declassifies trove of top-secret documents

Justice Integrity Report - CIA Declassifies 2,500 Presidential

national security archive - Free Government Information (FGI)

Opinion 60th anniversary of President John F. Kennedy's

INTEL - What is the PDB?

Newly released JFK documents point to what the CIA was hiding

CIA declassifies trove of top-secret documents

Electronic Briefing Books: compilations of declassified documents

The Last Days of the President - The Atlantic

Top secret: Biden gets access to President's Daily Brief