TL;DR: A diachronic cartography can show the variation of these different bonds according to time and historical regions as discussed by the authors, showing that the "toledan bond" is very characteristic.
Abstract: Few are the different bonds of brickwork in medievel Spain. Walls entirely built with bricks are scarce. Brick is used combining header bond and sideways bond, opus spicatum or vertical bond. Among mixed bonds, the «toledan bond» is very characteristic. A diachronic cartography can show the variation of these different bonds according to time and historical regions