Hutchinson and Spooner: Biographical sketches and examples of the work of these two architectural draftsmen.Memoir of the Iron Bridge over the Missouri River: Record of the construction by the Detroit Bridge and Iron Works between 1871 - 1873.River Severn Bridge Builders: Short biographies of Telford, Fowler, Gwynn, and Penson with details of the bridges they built.Sir John Fowler and the Forth Railway Bridge: Illustrated biographical essay.The 150th Combat Engineer Battalion: Newspaper articles, pictures, stories, and commendations of the bridges built and rivers crossed.The Bridges that Éblé Built: The story of the bridges built for the French Army's 1812 crossing of the Berezina River.The Burr Truss: Illustrated article discusses the early development of the wooden truss in the United States. Provides references for further reading.Wernwag, Palmer and the Earliest Pennsylvania Covered Bridges: Illustrated article discusses the structures of these early bridge builders.