diff --git a/README.rst b/README.rst
index 4ec9926..e67e5b0 100644
--- a/README.rst
+++ b/README.rst
@@ -229,6 +229,7 @@ GeoSpace/GIS
* `Natural Earth - vectors and rasters of the world `_
* `OpenAddresses `_
* `OpenStreetMap (OSM) `_
+* `Pleiades - Gazetteer and graph of ancient places `_
* `GeoFabrik - OSM data extracted to a variety of formats and areas `_
* `Reverse Geocoder using OSM data `_ & `additional high-resolution data files `_
* `TIGER/Line - U.S. boundaries and roads `_