Johnson, H. L.; Morgan, W. W. (1953). «Fundamental stellar photometry for standards med spektralklasse on the revised system of the Yerkes spectral atlas». Astrophysical Journal117: 313–352. Bibcode:1953ApJ...117..313J. doi:10.1086/145697.
Makarov, Valeri V. (desember 2002). «Computing the Parallax of the Pleiades from the Hipparcos Intermediate Astrometri Data: An Alternative Approach». The Astronomical Journal124 (6): 3299–3304. Bibcode:2002AJ....124.3299M. doi:10.1086/344683.
Perryman, M. A. C.; et al. (1997), «The Hipparcos Catalogue», Astronomy & Astrophysics323: L49–L52, Bibcode:1997A&A...323L..49P
Johnson, H. L.; Morgan, W. W. (1953). «Fundamental stellar photometry for standards med spektralklasse on the revised system of the Yerkes spectral atlas». Astrophysical Journal117: 313–352. Bibcode:1953ApJ...117..313J. doi:10.1086/145697.
Makarov, Valeri V. (desember 2002). «Computing the Parallax of the Pleiades from the Hipparcos Intermediate Astrometri Data: An Alternative Approach». The Astronomical Journal124 (6): 3299–3304. Bibcode:2002AJ....124.3299M. doi:10.1086/344683.
Breger, M. (August 1984). «The Pleiades cluster. I - Polarization and reddening of the brighter stars». Astronomy and Astrophysics137 (1): 145–148. Bibcode:1984A&A...137..145B.