"Walls, repointing brickwork"(PDF). Archived from the original(PDF) on October 19, 2007. Retrieved October 19, 2007. Ministry of Defence (Defence Estates), Sutton Coldfield, England, accessed 2007-10-17
"Walls, repointing brickwork"(PDF). Archived from the original(PDF) on October 19, 2007. Retrieved October 19, 2007. Ministry of Defence (Defence Estates), Sutton Coldfield, England, accessed 2007-10-17