- EbookLincoln at Cooper UnionHarold Holzer
- EbookLincoln and the Power of the PressHarold Holzer
- EbookLincoln President-ElectHarold 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