http://misfitsarchitecture.com/2013/04/06/how-architecture-works-2/

http://www.architecture.com/librarydrawingsandphotographs/palladio/palladianbritain/villasinbritain/lostandhiddenvillas/cumberlandterrace.aspx

http://commons.wikimedia.org/wiki/File:Cumberland_Terrace_2012.JPG

http://commons.wikimedia.org/wiki/File:Cumberland_Terrace_2012b.JPG

http://commons.wikimedia.org/wiki/File:Cumberland_Terrace_by_Thomas_Hosmer_Shepherd_1827-28.JPG

http://commons.wikimedia.org/wiki/File:Cumberland_Terrace_2012c.JPG

http://www.british-history.ac.uk/image.aspx?compid=64871&filename=fig33.gif&pubid=743

http://www.british-history.ac.uk/report.aspx?compid=64871

http://www.british-history.ac.uk/report.aspx?compid=64871