- 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
- eBookNew England Covered BridgesHarold Stiver
- eBookConnecticut Covered BridgesHarold Stiver
- eBookVirginia Covered BridgesHarold Stiver
- eBookSerien: Covered Bridges of North AmericaHarold Stiver
- eBookDelaware's Covered BridgesHarold Stiver
- eBookKentucky Covered BridgesHarold Stiver
- eBookNew York Covered BridgesHarold Stiver
- eBookMaryland's Covered BridgesHarold Stiver
- eBookMassachusetts Covered BridgesHarold Stiver
- eBookMaine Covered BridgesHarold Stiver
- eBookNew Hampshire Covered BridgesHarold Stiver
- eBookTennessee Covered BridgesHarold Stiver
- eBookMichigan Covered BridgesHarold Stiver
- eBookVermont Covered BridgesHarold Stiver
- eBookIndiana's Covered BridgesHarold Stiver
- eBookWest Virginia Covered BridgesHarold Stiver
- eBookOhio's Covered BridgesHarold Stiver