The Roman Fort
The Roman World P.Connolly PDF 14,1  Мб Oxford University Press На англ.яз. 2003 г.
Книга об укреплениях, фортах римской армии, составлявших основу защитных линий Империи.

Osprey Fortress 72 - German V-Weapon Sites 1943-45

№ 1 - Japanese Pacific Island Defenses 1941-45[Osprey
№ 2 - Hadrian’s Wall AD 122–410
№ 3 - U-Boat Bases and Bunkers 1941–45
№ 4 - American Defenses of Corregidor and Manila Bay 1898–1945
№ 5 - Japanese Castles 1540–1640
№ 6 - American Civil War Fortifications (1)
№ 7 - The Lines of Torres Vedras 1809–11
№ 8 - Defenses of Pearl Harbor and Oahu 1907–50
№ 9 - English Civil War Fortifications 1642–51
№ 10 - The Maginot Line 1928–45
№ 11 - Crusader Castles of the Teutonic Knights (1)
№ 12 - Fortresses of the Peninsular War 1808–14
№ 13 - Norman Stone Castles (1)
№ 14 - Fortifications in Wessex c. 800–1066
№ 15 - Germany's West Wall
№ 16 - The Fortifications of Malta 1530–1945
№ 17 - Troy c. 1700–1250 BC
№ 18 - Norman Stone Castles (2)
№ 19 - Crusader Castles of the Teutonic Knights (2)
№ 20 - British Home Defences 1940–45
№ 21 - Crusader Castles in the Holy Land 1097–1192
№ 22 - Mycenaean Citadels c. 1350–1200 BC
№ 23 - German Field Fortifications 1939–45
№ 24 - Fortifications of the Western Front 1914–18
№ 25 - The Walls of Constantinople AD 324–1453
№ 26 - Afghanistan Cave Complexes 1979–2004
№ 27 - French Fortresses in North America 1535–1763
№ 28 - Forts of the American Frontier 1820–91
№ 29 - US World War II and Korean War Field Fortifications 1941–53
№ 30 - Fort Eben Emael

Osprey Fortress 68  American Civil War Fortifications (3). The Mississippi and River Forts

Osprey Fortress 48 Viet Cong and NVA Tunnels and Fortifications of the Vietnam War

Osprey Fortess 049  The Spanish Main 1492-1800 (OCR)

Osprey Fortress 053. Defending Space. US Anti-Satellite Warfare and Space Weponry

Roman Legionary Fortresses 27 BC - AD 378
Osprey Publishing
Fortress 043