HeadingWillaerts, Adam used in: Integrated Authority File (GND), Germany
Sources
Found inThieme-Becker
Adam Willaerts in Cornelis de Bie's Gulden Cabinet. [Adam Willaerts delin; Jan Meyssens exc / Het gulden cabinet vande edel vry schilder const, online facsimile version in Google books, p.111 -- Public domain -- http://commons.wikimedia.org/wiki/File:Adam Willaerts - het gulden cabinet.png]