The sections below comprise the first volume of the set published by the Bristol Postal History Group, and is available as one download here.
It was written by Roger Martin, with some assistance from other members of the Bristol Postal History Group.
8. The Introduction of Cancels (including Postal Reform, Barred Numeral Cancels, Squared Circle Cancels and 'Dulwich Cancels)
10. Special Handstamps (including Local Slogans)
11. Private Carriers
12. Parcel Post
14. Official Mail
15. Instructional and Explanatory Marks
16. Mail by Rail
17. Military Mail
18. Air Mail
19. Labels
22. Signs, Pillar Boxes & Phone Kiosks
23. Forms
25. Ephemera