The Atlas Van der Hagen consists of 4 volumes bound in parchment, each with ca. 100 plates. The atlas is compiled ofhand colored maps, prints and other material. Its former owner was the Amsterdam merchant Dirk van der Hagen, but it is not sure if he was also the compiler of the atlas.
The permalink or permanent URL guarantees that an object can be traced back on the internet in the future, even if the name of the website or the object changes. If you want to link objects in the Memory it is advised to use the Permalink and not the URL in the address bar of your browser.