Research Sources

UK Post Offices by County - Ken Smith's county lists of POs, showing dates of opening and closure

Gloucestershire Postmarks: - illustrated lists of postmarks, compiled by Colin Fountain and John Hine.  A work in progress - additions welcome!

Postal History Organisations

The Postal Museum (formerly British Postal Museum & Archive)

British Airmail Society

Caledonian Philatelic Society

East Anglian Postal History Society

Forces Postal History Society

Postage Due Mail Study Group

Postal Mechanisation Study Group

Railway Philatelic Group for collectors of railway-related stamps and postmarks

TPO & Seapost Society

UK Meter Franking including downloadable "Meter News"

Welsh Postal History Society

Postal and Philatelic Organisations

British Forces Philatelic Service

Guernsey Post

Isle of Man Post Office

Jersey Post

Post Office Ltd - a publicly-owned company running Post Office branches, mostly franchised to retailers, throughout the UK

Royal Mail plc - a  shareholder-owned company running letter and parcel services throughout the UK