The Getty Thesaurus of Geographic Names is the basis of the The Documentary Sources Places dataset. Several thousand records have been added to the TGN subset by the Medici Archive Project to account for built structures and site names specific to the time period and area of the Medici Granducal Archive.

The Getty Thesaurus of Geographic Names® was developed by the Getty Research Institute (GRI), an operating program of The J. Paul Getty Trust. This database is used under license from The J. Paul Getty Trust. The accuracy of the information contained in the database is not warranted in any way by Getty and Getty assumes no responsibility or liability for the results of any use of the information.

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