London County Council register of tramway track lengths, recording description and lengths of route, street length, track length and remarks, such as "conversion to trolleybus", "abandoned" and so on, [1912-1952], with enclosures: photocopy of map of tramways in the London County Council area, revised to 1931; and diagrams of track lengths in Leyton and Hammersmith.

Records of the Lee Conservancy Catchment Board, including minutes of Board meetings; papers relating to staff including wages and superannuation; papers regarding the Sadler's Mill stream diversion; papers regarding flood relief and defences; correspondence and papers of the Association of River Authorities; papers relating to clearing the river; petitions; rainfall statistics; fishing rights; papers regarding members of the Board; drainage schemes; public relations files; papers regarding the Water Resources Act 1973; reports; papers regarding the acquisition of properties; and agreements for works, clearing, drainage, diversions, improvements, flood prevention, land sales and so on.