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.

Papers of the Hardy family, including correspondence of Sir Thomas Duffus Hardy; correspondence of William Hardy; letters to William John Hardy; letters relating to prints, plates and pictures; letters concerning Notes and Queries magazine; letters concerning subscriptions; and other professional letters.