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Public-images-osm logo.svg ref:isil
Osm element key.svg
Reference a library by ISIL Edit or translate this description.
Used on these elements
may be used on nodesshould not be used on waysmay be used on areasshould not be used on relations
Useful combination
Status: in use

This key references a library by its International Standard Identifier for Libraries and Related Organisations (ISIL). In most cases the library is also tagged with amenity=library but you can also tag bus stops (highway=bus_stop) and bus routes of library busses (type=route+route=bus, see Relation:route).

The ISIL is an international standard (ISO 15511) to uniquely identify libraries. Using the ISIL you can automatically fetch official information (Name, URL, opening hours etc.) of a library from other library databases and link library catalogs with OSM.

Where to find the ISIL

The ISIL Registration Authority hosts a list of national or institutional ISIL agencies. Libraries and library organizations have to contact their national agency to get an ISIL standard identifier.

Country Website
Germany OPAC Sigelverzeichnis or in Staatsbibliothek Berlin Sigelverzeichnis
USA Library of Congress MARC Code List database
Norway Directory of Norwegian Libraries and their ILL Associates Abroad
Australia National Library of Australia Search

If you know that your Library has no ISIL, please tag the library with ref:isil=none. However the libraries could later get an ISIL!