1. Fairbairn , W. An Account of the Construction of the Britannia and Conway Tubular Bridges London 1849
2. Clark , E. Stephenson , R. The Britannia and Conway tubular bridges: with general inquires on beams and on the properties of materials used in construction London Day & Son 1850
3. The strength of tubular struts;Robertson;Proc. Royal Soc. London, A,1928
4. Wilson , W. M. Newmark , N. W. The Strength of Thin Cylindrical Shells as Columns. Bull. 255 Univ. Illinois Engg Exptl Sta. 1933
5. Wilson , W. M. Tests of Steel Columns. Bull. 292 Univ. Illinois Engg Exptl Sta. 1937