| crlaction.org | Citizens for Responsible Lighting (CRL) |
| aas.org | American Astronomical Society Committee on Light Pollution, Radio Interference a |
| aol.com | Listing Of Directory: /cherryspsp |
| hamptonroads.com | Back Bay Amateur Astronomers: Astronomy's Greatest Threat |
| dsri.dk | The Anti-Light Pollution Section of the Astronomical Society of Denmark (AS-ALS) |
| dark-skies.org | Campaign for Dark Skies (CfDS) |
| astroleague.org | The Astronomical League |
| aas.org | American Astronomical Society (AAS) |
| harvard.edu | New England Light Pollution Advisory Group (NELPAG) |
| urbanwildlands.org | Conference on the Ecological Consequences of Artificial Night Lighting |
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