Wikipedia:WikiProject UK geography/How to write about UK postal administration

Sources

• Monopolies and Mergers Commission (1980). The Inner London Letter Post. HMSO.

• Office for National Statistics (November 2006). "National Statistics Postcode Directory" (PDF). Office for National Statistics Postcode Directory. Office for National Statistics.

• Royal Mail Address Management Unit (2004). Address Management Guide (4 ed.). Royal Mail Group.

• Royal Mail Address Management Unit (12 September 2006). "Royal Mail major recode historical information - 1990 to 1999" (DOC). Royal Mail Group.

• Royal Mail Address Management Unit (7 March 2007). "Royal Mail non-geographic postcodes" (PDF). Royal Mail Group.

• Royal Mail Address Management Unit (18 April 2007). "Royal Mail major recode historical information – 2000 to March 2007" (PDF). Royal Mail Group.

• Royal Mail Address Management Unit (September 2009). "Non-geographic sectors" (PDF). Royal Mail Group.