1: Secret Communications; 2: Ciphers in the American Revolutionary Era, 1775–1789; 3: Book Codes and Repertories in the American Revolutionary Era 1775–1789; 4: Nomenclators in the American Revolutionary Era; 5: An Anxious Republic 1789–1801; 6: Experimentation, Expansion and Crises, 1801–1815; 7: Confidential Reports from Europe and Mexico, 1816–1848; 8: A New Generation of Codes