In the middle of the upper cover, there is a rectangular plaque within an architectural frame depicting the allegory of music Euterpe playing the oboe. In the center of the lower cover, there is a rectangular plaque within an architectural frame depicting the allegory of music Erato playing the lyre against the backdrop of a wide gate with two biforium windows on either side; Print: Martin Luther, Der Siebēd Teil..., Wittenberg, Printed by Hans Lufft, 1554, 2°.