American Association of Variable Star Observers - The largest organization for variable stars: provides professional and amateur collaboration, research, and analysis of variable star observations.
Information Bulletin on Variable Stars - The IBVS is a bulletin of Commissions 27 and 42 of the International Astronomical Union, published by Konkoly Observatory, Budapest, Hungary.
The Minima of Algol - An article by Alan MacRobert from Sky and Telescope Magazine about the star Algol (Beta Persei) was the first eclipsing variable star ever discovered.
A Ritzian Interpretation of Variable Stars - A study on the nature of the speed of light in space using light curves and spectroscopic observations of variable stars as evidence.
