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- ^ 3.0 3.1 3.2 West, M. J.; Jordán, A.; Blakeslee, J. P.; Côté, P.; Gregg, M. D.; Takamiya, M.; Marzke, R. O. The globular cluster systems of Abell 1185. Astronomy & Astrophysics. 2011, 528: A115. Bibcode:2011A&A...528A.115W. S2CID 56240513. arXiv:1101.5399 . doi:10.1051/0004-6361/201015939 .
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- ^ Seligman, Courtney. New General Catalogue objects: NGC 3550 - 3599. cseligman.com. [2021-02-02]. (原始内容存档于2018-10-18).