You can add links to your website to send visitors to georeference a random map, to send visitors to georeference random maps in your specific map collection or you can integrate a link from your online catalog or digital repository directly into Georeferencer service.

Link to your website to georeference a map

Copy the URL and add it to your website:
You can add as a simple text link: Fix location of a map
or use a button for quick access: Fix location of a map

Link into Georeferencer from your catalog

You can integrate a link from your existing website, online catalog, or digital repository for individual maps directly into Georeferencer service with easy to use link APIs - using the institution identifiers ([CUSTOM-ID] supplied during the import of metadata into the system.
Link to the latest available georeference
Link to the officially reviewed version of georeference
Link to the original website of a particular map
Link to the Compare maps website with a particular map
Links for implementing intelligent buttons via JavaScript with JSONP query
This call provides back one of: 'georeferenced' or 'ungeoreferenced' or 'not_found':
JavaScript can then create different links or buttons with dependency on the status of a map - for example, do not show links to maps that are not part of Georeferencer.
A sample code with jQuery is available at
This means you can create "INTELLIGENT BUTTONS / LINKS" telling people you need their help to georeference a map - or telling them to view an already located map - based on the status of the map.