Jeremy Norman Collection of Images - Creative Commons
A bloodletting calendar printed between 1528 and 1530: Wes man sich ieglicher zeit / nach warer Influentz himlischer Gestirn / Planeten unnd Zeychen / zühalten hab / Dabei vonn der Aderlaße / unnd anderen der Natur notwendigen übungen [How to maintain (health) at any time, according to the influence of the celestial stars, planets and signs, by means of bloodletting and other exercises necessary to Nature.] Broadsheet, printed on one side in black letter type. Woodcut illustrations. Strasburg: Christian Egenolph, n.d. [ca. 1528-30]. 285 x 405 mm. The stub on the right is evidence that this ephemeral sheet survived by being bound into a book, from which it was later removed.