Leonard Williams, The Arts and Crafts of Older Spain…
“ Do we not find it in her paintings, on her stone and metal rilievi, or carved in wood upon the stalls of her cathedrals? Therefore the key, just like the sword, seemed, in the warm imagination of the Spaniards, to be something almost sacred. The legislative codes of Old Castile are most minute in their relation of its venerated attributes. Nor were the Spanish Muslims less alive to its importance than their foe, taking it also for an emblem of their own, and planting it in lordly eminence upon their gates and towers of Cordova, and Seville, and Granada. ”
