Engle, S. G.; Guinan, E. F.; Harper, G. M.; Neilson, H. R.; Evans, N. R. (2014). „THE SECRET LIVES OF CEPHEIDS: EVOLUTIONARY CHANGES AND PULSATION-INDUCED SHOCK HEATING IN THE PROTOTYPE CLASSICAL CEPHEID δ Cep”. The Astrophysical Journal. 794 (1): 80. Bibcode:2014ApJ...794...80E. arXiv:1409.8628. doi:10.1088/0004-637X/794/1/80.
Benedict, G. Fritz; et al. (2002), „Astrometry with the Hubble Space Telescope: A Parallax of the Fundamental Distance Calibrator δ Cephei”, The Astronomical Journal, 124 (3): 1695—1705, Bibcode:2002AJ....124.1695B, arXiv:astro-ph/0206214, doi:10.1086/342014.
Engle, S. G.; Guinan, E. F.; Harper, G. M.; Neilson, H. R.; Evans, N. R. (2014). „THE SECRET LIVES OF CEPHEIDS: EVOLUTIONARY CHANGES AND PULSATION-INDUCED SHOCK HEATING IN THE PROTOTYPE CLASSICAL CEPHEID δ Cep”. The Astrophysical Journal. 794 (1): 80. Bibcode:2014ApJ...794...80E. arXiv:1409.8628. doi:10.1088/0004-637X/794/1/80.
Goodricke, J.; Bayer (1786). „A Series of Observations on, and a Discovery of, the Period of the Variation of the Light of the Star Marked Formula by Bayer, Near the Head of Cepheus. In a Letter from John Goodricke, Esq. To Nevil Maskelyne, D. D. F. R. S. And Astronomer Royal”. Philosophical Transactions of the Royal Society of London. 76: 48—61. doi:10.1098/rstl.1786.0002.
Benedict, G. Fritz; et al. (2002), „Astrometry with the Hubble Space Telescope: A Parallax of the Fundamental Distance Calibrator δ Cephei”, The Astronomical Journal, 124 (3): 1695—1705, Bibcode:2002AJ....124.1695B, arXiv:astro-ph/0206214, doi:10.1086/342014.
Engle, S. G.; Guinan, E. F.; Harper, G. M.; Neilson, H. R.; Evans, N. R. (2014). „THE SECRET LIVES OF CEPHEIDS: EVOLUTIONARY CHANGES AND PULSATION-INDUCED SHOCK HEATING IN THE PROTOTYPE CLASSICAL CEPHEID δ Cep”. The Astrophysical Journal. 794 (1): 80. Bibcode:2014ApJ...794...80E. arXiv:1409.8628. doi:10.1088/0004-637X/794/1/80.
Uesugi, Akira; Fukuda, Ichiro (1970), „Catalogue of rotational velocities of the stars”, Contributions from the Institute of Astrophysics and Kwasan Observatory, Bibcode:1970crvs.book.....U.
Percy, John R (децембар 1984). „Astronomers Celebrate Cepheid Bicentenary”. Journal of the Royal Astronomical Society of Canada Newsletter. 78: L76. Bibcode:1984JRASC..78L..76P.
Benedict, G. Fritz; et al. (2002), „Astrometry with the Hubble Space Telescope: A Parallax of the Fundamental Distance Calibrator δ Cephei”, The Astronomical Journal, 124 (3): 1695—1705, Bibcode:2002AJ....124.1695B, arXiv:astro-ph/0206214, doi:10.1086/342014.
illinois.edu
stars.astro.illinois.edu
Jim Kaler, δ Cep izstars.astro.illinois.edu, pristupljeno 29. 1.2015
Samus, N. N.; Durlevich, O. V.; et al. (април 2011), GCVS - General Catalog of Variable Stars, Institute of Astronomy of Russian Academy of Sciences and Sternberg, State Astronomical Institute of the Moscow State University, Приступљено 1. 4. 2012. Note: search on 'del cep' after selecting the 'period' field.
u-strasbg.fr
simbad.u-strasbg.fr
SIMBAD baza podataka, Strazburški centar astronomskih podataka (CDS), Strazburg, δ Cas pristupljeno 29. 1. 2015