* Astronomica Langrenus — Italian Lunar Web Site* Gazetteer of Planetary Nomenclature* Lunar Atlases at the Lunar & Planetary Institute** Digital Lunar Orbiter Photographic Atlas of the Moon* Lunar Nomenclature* Lunar Photo of the Day by Charles A.
* Astronomica Langrenus — Italian Lunar Web Site* Gazetteer of Planetary Nomenclature* Lunar Atlases at the Lunar & Planetary Institute** Digital Lunar Orbiter Photographic Atlas of the Moon* Lunar Nomenclature* Lunar Photo of the Day by Charles A.