On the preservation of railway sections, and of accounts of borings, sinkings, &c in elucidation of the measures recently taken by the British Association - Sopwith, Thomas 1803-1879 ([s.n.], 1842)
Goldsmiths'-Kress no. 32927. - OCLC, 18309484. - Reproduction of original from Goldsmiths' Library, University of London