: r5427914https://waterlandsarchief.nl/id/ Create a prefix for https://waterlandsarchief.nl/id/ Hit Enter to save Double click to create a prefix | : namehttps://schema.org/ Create a prefix for https://schema.org/ Hit Enter to save Double click to create a prefix | Bond van Nederlandsche Onderwijzers (B. v. N. O.), afd. Amsterdam |