. . . "Quadrangular castle" . . . . . . . . . "quadrangular fortress" . "quadrangular building" . . . . "courtyard style" . . "quadrangular plan" . "Courtyard castle" . "Quadrangular castle" . . . "courtyard" . . . "quadrangular castle" . . . "quadrangular" . "quadrangular style" . . . . . . "quadrangular red-brick structure" . . "quadrangular design" . . "Angle tower" . "quadrangular type" . . . . . . "quadrangular stone castle" . "Quadrangular" . . . .