| Carferry Related |
| National Historic Landmarks in Michigan - S.S. City of Milwaukee |
| SSMILWAUKEE.ORG |
| The Carferries of the Great Lakes |
| Lake Michigan Carferry - S.S. Badger |
| Yahoo! Groups - Carferry Discussion Group |
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| Maritime Related |
| Historic Naval Ships Visitors Guide |
| Association for Great Lakes Maritime History |
| S.S. Milwaukee Clipper - National Historic Landmark |
| Great Lake Naval Memorial & Museum |
| Wisconsin Maritime Museum |
| Great Lakes and Seaway Shipping |
| Great Lakes Maritime Academy |
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| Railroad Related |
| Grand Trunk Western Historical Society |
| Ann Arbor Railroad Technical and Historical Association |
| Pere Marquette Historical Society |
| The Michigan State Trust for Railway Preservation |
| NMRA Directory of World Wide Rail Sites |
| RailServe - Directory of Railroad, Railway & Model Train Links |
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| Other |
| Michigan Humanities Council |
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