SAA, Stadsarchief Amsterdam, NA1609/105-106, Nots: E. Pels. Contract (Testament, Power of Attorney) of Balthasar Hermans, Martin Nuijts, Sara de Bock, Jacques de Grant, Jacques Hack, Jasper van Heusden
SAA, Stadsarchief Amsterdam, NA1609/105-106, Nots: E. Pels. Contract (Testament, Power of Attorney) of Balthasar Hermans, Martin Nuijts, Sara de Bock, Jacques de Grant, Jacques Hack, Jasper van Heusden