File of typescript and printed papers relating to the publication of the Administrative County of London Development Plan, ( 1951) . The papers include proofs of several early drafts, a press release and a typescript report concerning its' preparation. The file also contains a number of committee minutes concerning the plan and flyers for the public information exhibition "London, the next 20 years" held at County Hall, London from 16 February - 28 March 1952. There is also a printed leaflet concerning the "Exhibition of the County of London plan" which showcased the earlier County of London plan, ( 1943) .

This file also contained a poster for the exhibition "London, the next 20 years" which is now held at reference number PJM/LCC/D/1.1.4