"Obituary. Walter Francis Montagu Douglas Scott, Fifth Duke Of Buccleuch And Seventh Duke Of Queensbury, K.G., P.C., D.C.L, LL.D., F.R.S., 1806-1884". Minutes of the Proceedings of the Institution of Civil Engineers. 77 (1884 Part 3): 347–350. 1884. doi:10.1680/imotp.1884.21568.