KML

Nomisma

"Nomisma.org is a collaborative project to provide stable digital representations of numismatic concepts according to the principles of Linked Open Data. These take the form of http URIs that also provide access to reusable information about those concepts, along with links to other resources."

GeoNames

"The GeoNames geographical database is available for download free of charge under a creative commons attribution license. It contains over 10 million geographical names and consists of over 9 million unique features whereof 2.8 million populated places and 5.5 million alternate names. All features are categorized into one out of nine feature classes and further subcategorized into one out of 645 feature codes. (...) The data is accessible free of charge through a number of webservices and a daily database export.

iDAI.gazetteer Thesaurus

"Der iDAI.Gazetteer ist ein Webservice, der Ortsnamen mit Koordinaten verbindet und in zwei Richtungen wirken soll. Nach innen dient er als Normdatenvokabular für sämtliche ortsbezogenen Informationen und Informationssysteme des DAI. Nach außen soll er diese mit den weltweiten Gazetteer-Systemen verbinden."

"The iDAI.Gazetteer is a webservice that connects place names with coordinates and works in two directions. Inside, it serves as a standard datavocabular for all DAI's location-specific information and information systems. To the outside he should connect these with the global Gazetteer systems."