- EbookGuide to Photographing BirdsHarold Stiver
- EbookBirding the Orkney IslandsHarold Stiver
- EbookOntario's WaterfallsHarold Stiver
- EbookBirding Guide to OrkneyHarold Stiver
- EbookOntario's Old MillsHarold Stiver
- EbookCovered Bridges of the SouthHarold Stiver
- EbookConnecticut Covered BridgesHarold Stiver
- EbookNew England Covered BridgesHarold Stiver
- EbookVirginia Covered BridgesHarold Stiver
- EbookSeries: Covered Bridges of North AmericaHarold Stiver
- EbookKentucky Covered BridgesHarold Stiver
- EbookDelaware's Covered BridgesHarold Stiver
- EbookMassachusetts Covered BridgesHarold Stiver
- EbookMaryland's Covered BridgesHarold Stiver
- EbookNew York Covered BridgesHarold Stiver
- EbookMaine Covered BridgesHarold Stiver
- EbookNew Hampshire Covered BridgesHarold Stiver
- EbookMichigan Covered BridgesHarold Stiver
- EbookVermont Covered BridgesHarold Stiver
- EbookIndiana's Covered BridgesHarold Stiver
- EbookTennessee Covered BridgesHarold Stiver
- EbookWest Virginia Covered BridgesHarold Stiver
- EbookOhio's Covered BridgesHarold Stiver