SAA, Stadsarchief Amsterdam, NA 73/107v, Nots: J. F. Bruijningh. Contract (Power of attorney) of Ewout Janssen, Hans Fellebier, Laurens Joosten, Claes Ewoutsz
SAA, Stadsarchief Amsterdam, NA 73/107v, Nots: J. F. Bruijningh. Contract (Power of attorney) of Ewout Janssen, Hans Fellebier, Laurens Joosten, Claes Ewoutsz