- eBookLincoln President-ElectHarold Holzer
- eBookLincoln at Cooper UnionHarold Holzer
- eBookLincoln and the Power of the PressHarold Holzer
- eBookLincoln RevisitedHarold Holzer
- eBookLincolnHarold Holzer
- eBookLincoln LegendsEdward Steers
- eBookSummers with LincolnJames A. Percoco
- eBookLens of WarJames I. Robertson Jr.
- eBookNew York's Golden Age of BridgesHarold Holzer