South Omaha Toll Free Bridge spanning the Missouri River to Iowa
Omaha, Nebraska
- Adams County (NE) Historical Society
- Germantown (PA) Historical Society
- Newton (MS) Historical and Genealogical Society
- Clatsop County (OR) Historical Society
- Putney (VT) Historical Society
- Washington County (AR) Historical Society
- Roosevelt Island (NY) Historical Society
- Historic Wilmington (NC) Foundation
- Beatty Museum Historical Society
- Hockessin (DE) Historical Society
- Amherst County (VA) Museum and Historical Society
- Branford (CT) Historical Society
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- Jacksonville (FL) Historical Society
Historic Highway Guides 