- Bridges of the Nineteenth Century
- Compiles articles and images relating to previously constructed connecting structures. Indicates technical data and other descriptions.
- Great Buildings - Bridges
- Indexes description of various types of connecting structures located in different areas around the world and were built during the previous years.
- Historic Bridge Foundation
- Established for individuals and companies involved in the preservation of bridges that needs restoration.
- Roman Bridges
- Presents a detailed explanation of the structures created by ancient civilization. Details the construction and design processes.
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