East Anglia:
Bedfordshire, Cambridgeshire, Huntingdonshire, Lincolnshire, Norfolk, Northamptonshire, Rutland, Suffolk.

South East England:
Berkshire, Buckinghamshire, Essex, Hampshire, Hertfordshire, Kent, London and Middlesex, Oxfordshire, Surrey, Sussex.

Midlands:
Cheshire, Derbyshire, Herefordshire, Leicestershire, Nottinghamshire, Shropshire, Staffordshire, Warwickshire, Worcestershire.

North of England:
Cumberland, Durham, Lancashire, Northumberland, Westmorland, Yorkshire.

South West England:
Cornwall, Devon, Dorset, Gloucestershire (incl. Bristol), Somerset (incl. Bath), Wiltshire.

Islands:
Channel Islands, Isle of Wight, Isle of Man, Isles of Scilly

Wales including Monmouthshire.

Scotland

Ireland

Miscellaneous:
Links to collections that are not classified geographically.