Armando Gil de Paz, Luciana Bianchiová, Patrick Morrissey, Samuel Boissier, David Schiminovich, Barry F. Madore, David Thilker, Timothy Heckman, Alessandro Boselli, Robert Rich, Sándor Szalay, Mark Seibert, Todd A. Small, Bruno Milliard, Tim Conrow, Soo-Chang Rey, I Sok-jong, I Jong-uk, Susan G. Neffová: The GALEX Ultraviolet Atlas of Nearby Galaxies. In: The Astrophysical Journal Supplement Series. prosinec 2007. DOI10.1086/516636.
Thomas H. Jarrett, John M. Carpenter, John E. Gizis, Carol Lonsdaleová, John Huchra, Thomas Jay Chester, David G. Monet: The Two Micron All Sky Survey (2MASS). In: The Astronomical Journal. únor 2006. DOI10.1086/498708.
KELSON, Daniel D.; ILLINGWORTH, Garth D.; SAHA, Abhijit, et al. The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XIX. The Discovery of Cepheids in and a New Distance to NGC 3198. S. 614–636. Astrophysical Journal [online]. Duben 1999 [cit. 2020-02-20]. Roč. 514, čís. 2, s. 614–636. Dostupné online. doi:10.1086/306989. Bibcode1999ApJ...514..614K. (anglicky)
KELSON, Daniel D.; ILLINGWORTH, Garth D.; SAHA, Abhijit, et al. The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XIX. The Discovery of Cepheids in and a New Distance to NGC 3198. S. 614–636. Astrophysical Journal [online]. Duben 1999 [cit. 2020-02-20]. Roč. 514, čís. 2, s. 614–636. Dostupné online. doi:10.1086/306989. Bibcode1999ApJ...514..614K. (anglicky)
KELSON, Daniel D.; ILLINGWORTH, Garth D.; SAHA, Abhijit, et al. The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XIX. The Discovery of Cepheids in and a New Distance to NGC 3198. S. 614–636. Astrophysical Journal [online]. Duben 1999 [cit. 2020-02-20]. Roč. 514, čís. 2, s. 614–636. Dostupné online. doi:10.1086/306989. Bibcode1999ApJ...514..614K. (anglicky)
cbat.eps.harvard.edu
List of Supernovae [online]. Harvard-Smithsonian Center for Astrophysics (IAU) [cit. 2020-02-20]. Dostupné online. (anglicky)