- E-bookLincoln President-ElectHarold Holzer
- E-bookLincoln at Cooper UnionHarold Holzer
- E-bookLincoln and the Power of the PressHarold Holzer
- E-bookLincoln RevisitedHarold Holzer
- E-bookLincolnHarold Holzer
- E-bookLincoln LegendsEdward Steers
- E-bookSummers with LincolnJames A. Percoco
- E-bookLens of WarJames I. Robertson Jr.
- E-bookNew York's Golden Age of BridgesHarold Holzer