Barton J. Pritzl, Taft E. Armandroff, George H. Jacoby, G. S. Da Costa: The Dwarf Spheroidal Companions to M31: Variable Stars in Andromeda I and Andromeda III. In: The Astronomical Journal. Band129, Nr.5, Mai 2005, S.2232–2256, doi:10.1086/428372, arxiv:astro-ph/0501083, bibcode:2005AJ....129.2232P.
I. D. Karachentsev, V. E. Karachentseva, W. K. Hutchmeier, D. I. Makarov: A Catalog of Neighboring Galaxies. In: Astronomical Journal. Band127, Nr.4, 2004, S.2031–2068, doi:10.1086/382905, bibcode:2004AJ....127.2031K.
Barton J. Pritzl, Taft E. Armandroff, George H. Jacoby, G. S. Da Costa: The Dwarf Spheroidal Companions to M31: Variable Stars in Andromeda I and Andromeda III. In: The Astronomical Journal. Band129, Nr.5, Mai 2005, S.2232–2256, doi:10.1086/428372, arxiv:astro-ph/0501083, bibcode:2005AJ....129.2232P.
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I. D. Karachentsev, V. E. Karachentseva, W. K. Hutchmeier, D. I. Makarov: A Catalog of Neighboring Galaxies. In: Astronomical Journal. Band127, Nr.4, 2004, S.2031–2068, doi:10.1086/382905, bibcode:2004AJ....127.2031K.
I. D. Karachentsev, V. E. Karachentseva: New probable companions to M 31 found on the POSS-II. In: Astronomy and Astrophysics. Band341, Nr.1, 1999, S.355–356, bibcode:1999A&A...341..355K.
Barton J. Pritzl, Taft E. Armandroff, George H. Jacoby, G. S. Da Costa: The Dwarf Spheroidal Companions to M31: Variable Stars in Andromeda I and Andromeda III. In: The Astronomical Journal. Band129, Nr.5, Mai 2005, S.2232–2256, doi:10.1086/428372, arxiv:astro-ph/0501083, bibcode:2005AJ....129.2232P.