Mid-Hudson Bridge
- Features bridge history, statistics, and a virtual tour across the bridge.
- http://www.nysba.net/bridgepages/MHB/MHBpage/mhb_page.htm

Ralph Modjeski
- Features a biography, major accomplishments, and essay " The Polish Bridge Builder" by Kaya Mirecka Ploss, PhD.
- http://www.polishamericancenter.org/Modjeski.htm