Mails Under London: The story of the carriage of the mails on London's underground railways
| Publisher | Association of Essex Philatelic Societies |
| Format | Paperback |
| Language | English |
| Location | Basildon, Essex |
| Pages / Font | 48 pages |
| ISBN 10 | 0 9535398 1 4 |
| Chapters | Pneumatic Despatch Company and Related Railways Post Office Railway The Other Underground Railway Mails |
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