Placcaet ende ordinancie onssheeren des Conincx, inhoudende den stijl, ende vorme diemen voirtaen obserueren sal int procederen, tot vanden xen penninck (By Christoffel Plantijn, 1572)
Goldsmiths'-Kress no. 00159. - OCLC, 20885961. - Proclaimed Feb. 24, 1571. - Reproduction of original from Goldsmiths' Library, University of London