How, James S. (2003). Epistolary spaces: English letter-writing from the foundation of the Post Office to Richardson's Clarissa (illustrated ed.). Ashgate Publishing, Ltd. pp. 11, 12. ISBN978-0-7546-0354-2.
Great Britain. Parliament. House of Commons (1844). "Documents relating to the Office of Postmaster, &c., delivered in by Mr. Reeve, from the Council-office, &c. – From the register of the Council of State". House of Commons papers. Vol. 14. HMSO. p. 28.
"End of the BAe Era". Titan Airways. 18 November 2013. Retrieved 18 November 2013.
victorianlondon.org
"Murray's Handbook to London As It Is". Victorian London – Communications – Post – Delivery Times and Postal Regulations. 1879. Retrieved 3 December 2008.