Ashtabula Rail Bridge, 1876
- Collapse of iron and mortar railway bridge. Detailed account, historical notes, enquiry findings and before/after photographs.
- http://home.alltel.net/arhf/

Memoirs of Philip P. Bliss: Ashtabula Bridge Disaster
- Newspaper and eye-witness accounts of the Ashtabula, Ohio, railroad train wreck disaster.
- http://www.wholesomewords.org/biography/biobliss5.html