‘fortifications’ historical pictures (exact matches)

Sketches of China
Sketches of China
Cinque Ports, Sandown Castle, Kent
Cinque Ports, Sandown Castle, Kent
Leonardo da Vinci presenting Cesare Borgia with designs for fortifications
Leonardo da Vinci presenting Cesare Borgia with designs for fortifications
Plan of the Fortifications of Paris
Plan of the Fortifications of Paris
With the Afghan Boundary Commission
With the Afghan Boundary Commission
The War, Semendria, on the Danube
The War, Semendria, on the Danube
Marshal Vauban, French military engineer
Marshal Vauban, French military engineer
Sherborne Castle, Dorsetshire
Sherborne Castle, Dorsetshire