Schliemann, Heinrich, 1822-1890 · New York : Scribner, Armstrong · leaf 111
of the western wall I have marked on the accompanying cut(No. 18) as Walls of the second period, because it consistsof polygons, fitted together with great art, so that, in spiteof the infinite variety of the joints, they formed as it wereone solidly united and neat wall, as if of rock; and… … No. 18. Walls of the Second Period. marked here (No. 19) as Walls of the third period thosewalls to the right and left of the great gate, which consistof almost quadrangular blocks arranged in horizontal layers ;but their joints are not always vertical and they presentlines more or less oblique.