Books
Some further reading.
The Complete Deegam Machin Handbook
Author: Douglas Myall
Postal Reform And The Penny Black
Author: Douglas N Muir
Royal Mail: The Post Office Since 1840
Author: MJ Daunton
England's Mail: Two Millennia of Letter Writing
Author: Philip Beale
The British Post Office: A History
Author: Howard Robinson
The Penny Post, 1680-1918
Author: Frank Staff
