Maps from the Middlesex County Council Planning Department, 1920-1961, including map of London Airport (Heathrow); map showing allotments in Middlesex; maps of bye-passes, roads and highways; maps of school sites and playing fields; map of land liable for flooding; nature conservancy map; maps of drainage and sewerage; map of the Thames Riverside Walk; maps of the Central, North, South and West Planning Areas and map of parishes, unions, rural and urban sanitary districts.

Letters patent appointing Commissioners, 1727-1840; writs to swear in Commissioners and to summon juries, 1727-1830; qualification book containing forms of declaration of £100 property owners, 1834-1844; court minutes and presentments, 1569-1642; court minutes, 1677-1781; court orders, 1703-1781; court minutes and orders, 1781-1847; General Purposes Committee minutes, 1820-1847; plans and sections of sluices, sewers, washways, culverts, roads, streets and wharves; original presentments of juries, not reproduced in full in the minutes, 1743-1793; out letter books, 1833-1848; financial records, 1789-1854 and rate books, 1723-1848.

Papers of The Society of Medical Officers of Health, 1856-1998, comprising the constitution, 1892-1993; council records, 1856-1997; records of the general purpose committee, 1937-1981; records of the standing and temporary committees, and working parties and joint meetings, 1892-1996; general meeting records, 1856-1997; attendance books, 1872-1965; financial records, 1892-1996; members lists, 1895-1997; publications and official publicity, 1856-1997; historical material, 1866-1908; comments and evidence c 1879-1998; miscellaneous files, c 1879-1998; records of special interest groups, 1920-1997; papers, minutes and publications relating to the Society's Faculty of Community Health, 1988-1998; public health literature and sources, 1902-1997; files relating to the journal The Medical Officer, 1897-1973; non-Society records documenting public health measures, policies and issues in the first half of the 20th century; and minutes, files, transcripts of papers, correspondence, photographs, and ephemera relating to the regional Branches and Groups of the Society, 1875-1997.

'Geological researches round London', comprising five volumes of manuscript copies, by a number of hands, of notes made by James Mitchell principally on the geology and botany of London and the Thames Valley during his residence in the City, [1832-1840]. Also includes some cuttings of Mitchell's published articles. An index to the papers appears at the front of each volume and the titles or subjects listed are:

VOLUME 1

Loampit Hill; Cavern on the side of Blackheath; Pit in the old Charlton Parish; Shooters Hill; Pit at New Charlton near Woolwich; Sundridge Park near Bromley; Erith; Crayford; Bexley Heath; Dartford; Road from London to Gravesend; Greenhithe Park; Northfleet (including fossils and plants); Shorne; Holly Hill; Gadshill; Pits at Chatham; Gravesend to Wrotham; Town Malling; Quarry near Maidstone; Kits Cotty; Isle of Sheppey; Cliff at Reculver; Margate Sands; Chatham to Canterbury; Key Street; Sittingbourne; Canterbury to Margate; Isle of Thanet; Sandwich; Richborough Castle; Channel Flints; Dover to Folkstone; Hayes Common; Pratts Bottom; Knockholt Beeches; Knockholt to Tunbridge; Tunbridge to Maidstone; London Clay in Kent; Sand found in the Thames; Brickmaking; Useful applications of Chalk; Limeburning; Great Lime; Lias Lime; Cement Stone; Heights in Kent; Manufacturing of Whitening.

VOLUME 2

Heights of various places in Middlesex, Surrey and Sussex above the low water according to the Trigonometrical Survey; London Clay; Remains of quadrupeds; Of gravel; Animal remains in flint found in the Clay; Kensington; Hampstead; Highgate; Tottenham Marshes; From London to Edgeware; Stanmore Common; Harrow on the Hill; London to Uxbridge; Amersham; Watford; Hatfield Herfordshire; Well at Beaumont Green; Ware; Hertford; Ware to Cambridge; London to Romford and Brentford; Brook Street; Warley Common; London to Chigwell and Ongar; Ongar; London to Cambridge by Epping; Saffron Walden; Alluvial soil on the banks of the Thames; Purfleet; Artesian Well in the Marsh near Purfleet; Button's Breach; Gray's Thurrock commonly called Grays; London to Woodbridge; Chiselhurst; Gravesend; Dartford Marshes; Orpington; Wandsworth; Knightshill; Kingston upon Thames; Croydon; Head of the Wandle; Carshalton; Beddington Surrey; Mitcham Common; Wells at Mitcham; Ashtead Surrey; Ewell Surrey; Carshalton Downs; Croydon to Merstham; London to Merstham; Merstham; Well below the Church at Merstham; Gatton Park; London to Reigate by Sutton; Reigate; London to Godstone; Godstone; The Bourne; Tilburstow; Bletchingly; Fuller's Earth Pits; London to Dorking; Dorking to Limepits; Dorking to Leith Hill; Leatherhead to Guildford; Guildford; Chelsworth House; Langdon Hills Essex.

VOLUME 3

New River Company's well at the end of Tottenham Court Road; Upper Clapton; List of minerals and fossils in the pits at Muswell Hill by Frederick Purdey; Brentford; Hounslow Heath; Hanwell; Wells at Hanwell; Harefield; Enfield; Northan; Cheshunt Street; Watford; Wades Mill; Puckeridge; Much Haddam; Royston; Tring; Strata of Essex; Waltham Abbey; Sewardstone; Epping Forest; Stratford; Dagenham; Ilford; Romford; Upminster; Peckham Rye; Counter Hill; Norwood; Epsom; Sutton; Cheam; Road from Croydon to Limpsfield; Merstham; Bletchingly; Nutfield and Fuller's Earth Pits; Barnes; Chertsey; Plumstead; Sydenham; Dartford Heath; Chiselhurst; Westerham; Farningham; Maidstone; Wrotham; Upnor; Cliff, Cooling and All Hallows; Cuxton; Halling; Isle of Sheppey; Sittingbourne; Windsor; North side of Bagshot Heath; Bagshot Heath; On the Blackheath formation; Druid Sandstone; On the changes produced on chalk flints.

VOLUME 4

Section of the London and Croydon Railway; Of the London Basin; Of the London Clay; Age of the London Clay; Fossil wood in London Clay; Septaria or Cement Stone; Wells in London; Bognor Shells; Woolwich Shells; Mineralogical substances in Middlesex and Essex (Cement Stone, Pyrites, Selenite, Wood, Sulphate of Magnesium); Quartz; Gravel. Series of papers on the construction and description of water wells, including: Foul air - wells; Wells at Sanderstead, Norbury, Epsom Downs, Kent; Air pump used in well digging and well boring; Expense of well digging and well boring; Direction of underground currents; Foul air in Wells in Essex and Middlesex; Beds of sand in the blue clay beneath it; Wells rot each other; Wells at Sheerness and in Sheppey; As to whether digging or boring be preferable; Muswell Hill; Barnet; Hemel Hempstead; Tring; Buntingford; Royston; Hare Street; Danbury; Rochford and Rayleigh; Wallisea Island; Wigborough; Coast near Malden; Braintree; Croydon and the neighbouring Country; Brixton; Forest Hill; Well at Balham Hill; Well at Mortlake; St George's Hill; Kingston to Guildford; Weybridge; Well at Cobham; Godstone; Well at Merstham; Waltham on the Hill; Headley; Reigate; Red Hill Reigate; Dorking; Wells at Normanry and Ash; Wells in the Weald of Sussex; Reading; Newbury; Bexley Heath; Chelsfield and Well Hill; Wells at Margate; Great Baddon; Wells in various places.

VOLUME 5

Superficial strata of the county of Middlesex; Wells in Middlesex; Well at St Mary Woolnoth; Church Fenchurch Street; The Thames Tunnel; Mud and sand carried out by the Thames; Hampstead Heath; Watery action on the surface in Essex; On wells formed by digging and boring in Essex; Stratford in Essex; Chigwell and Chigwell Row; Kelvedon; Copford; Great Wakering; Wakering Marsh; Foulness Island; Walton on the Naze; On the watery action on the surface of the county of Surrey; On the sections at New Cross; on the strata of the of the Jolly Sailor Station of the Croydon Railway; Shirley sand pits; Addington Hills; Croham Hurst; Croydon; Woking Common; Leatherhead; Nettley Heath; Heights above the level of the Thames of places in and about London; On the foul air in the chalk and in the strata above the chalk in the country near London.

Manuscript transcript of an Act of Parliament (16 and 17 Charles II, c.11) for making the river Medway navigable in the Counties of Kent and Sussex, copied in c1740.

Letter from Sir Thomas Bazley of Eyford Park, Stow-on-the-Wold, [Gloucestershire] to C Manley, Esq, 13 May 1871. Thanking him for a 'further communication'. Bazley has come to Eyford Park for a few days to be among some workmen who are 'defining' his water stream. Hopes to meet Mr Buckland when he returns to town. Autograph, with signature. Headed with a crest and the motto 'Finem respice'.

Diaries of Edward Wilding, 1926-1929, comprising diary in four volumes, illustrated with photographs, postcards, etc, of voyage to South America and a journey to Corriented and Posada on the River Parana and its tributaries, 1926 and diary in five volumes, illustrated with photographs, postcards etc, of a voyage to South America and a journey up the River Parana and in northern and western Argentina, 1929.

Papers of John Frederick Baddeley, 1859-1926, including description of a journey from Aigun to Tsitsikar in 1910; papers on the Amoor [sic] railway; material for a book on the Amoor river; papers relating to the Russian Far East; a book in Russian "Journey on the Amur" published in 1859 and a small notebook containing hand-drawn maps of the river.