"The Forth Bridge". forth-bridges.co.uk. Forth Bridges Forum. 2015. Diakses tanggal 26 March 2017. Opened in 1890, The Forth Bridge is recognised the world over as the most famous of cantilever designs.
networkrail.co.uk
"Forth Bridge". NetworkRail. Network Rail. Diarsipkan dari versi asli tanggal 4 July 2015. Diakses tanggal 3 July 2015.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
web.archive.org
"Forth Bridge". NetworkRail. Network Rail. Diarsipkan dari versi asli tanggal 4 July 2015. Diakses tanggal 3 July 2015.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)