The contents are as follows: Correspondence, 1803-1810, 1817, and reports, estimates, and other papers, 1794-1810, of John Rennie concerning canal and navigations in Kennet and Avon (MS.19781);

Papers, 1794-1821, of John Rennie concerning various canals and navigations in places beginning L-W (MS.19782);

Notebook, [circa 1811], of John Rennie containing draft accounts for cleaning and repair of the Leeds and Liverpool Canal (MS.19783);

Survey notebook, [Circa 1791], of John Rennie for the Rochdale Canal, Colne to Farside branch (MS.19784);

Survey notebook, [Circa 1791], of John Rennie for the Rochdale Canal, Dean Royd to Touchethole branch (MS.19785).