US National Archives
National Archives: Congress at Work: Presidential Veto
The veto process is an integral part of our checks and balances. Introduce the power of the presidential veto and override to a class using an example from President Nixon's administration. Materials include the Constitution, worksheets,...
iCivics
I Civics: Mini Lesson: Veto Power
Explores the presidential veto and pocket veto powers, their role as a negotiating tool, and the Congressional veto override process. Students also learn how to use fact-checking and triangulation to evaluate news claims and detect...
US Senate
Regular Vetoes and Pocket Vetoes: An Overview [Pdf]
This site explains how regular, pocket, and overriding vetoes work.