Parks Canada - Canadian Historic Sites: Occasional Papers in Archaeology and History No. 15
Diagram showing locations of Martello towers, and interior… | Flickr
MEELICK MARTELLO TOWER – Banagher
Martello Tower in Sutton - Ireland Highlights
Martello Towers (ongoing) — Diana Jarvis
Martello Towers :: Geograph Britain and Ireland
Sandgate Martello Tower and Coast, Kent, England - 25 Reviews, Map | AllTrails
NatRecordsScot on X: "The town of Leith and docks in 1828, with the site of a new “Martello tower” highlighted. These towers were built as defensive bulwarks against invasion in the aftermath
Martello Tower – Visit Antigua & Barbuda
Martello Towers :: Geograph Britain and Ireland
Martello tower - Wikiwand
File:Martello towers worldwide map.png - Wikipedia
File:Martello tower diagram.png - Wikipedia
Martello Tower since demolished. Dunlaoghaire Co Dublin Ireland. | Dublin ireland, Dublin, Dun laoghaire
Torre Martello - Wikipedia
Jaywick Martello Tower - Historic Site in Jaywick, Clacton-on-Sea - Visit Essex