Cornelis Johannes Nicolaas Petruszoon Erkamp
A2Acollection via https://opendata.archieven.nl/dataset/9906D8EFC56F4CEE9659AAD14C8E14BF
NNA Obdam 165, notaris Henrich Bernardus Gottmer, 1917 apr-mei
Westfries Archief, Hoorn, NNA Obdam 165, notaris Henrich Bernardus Gottmer, 1917 apr-mei, NNA Obdam 165, notaris Henrich Bernardus Gottmer, 1917 apr-mei, 165