* [http://solarsystem.nasa.gov/planets/profile.cfm?Object=KBOs Oort Cloud Profile] by [http://solarsystem.nasa.gov/ NASA's Solar System Exploration]
* [http://www.nineplanets.org/kboc.html The Kuiper Belt and The Oort Cloud]
* [http://adsabs.harvard.edu/abs/1994QJRAS..35....1M The effect of perturbations by the Alpha Cen A/B system on the Oort Cloud]
* [http://arxiv.org/abs/1411.1844 Reassessing the formation of the Inner Oort cloud in an embedded star cluster II: Probing the inner edge] (Brasser; Schwamb : 7 Nov 2014 : [[arXiv]]:1411.1844)
