Jet Propulsion Laboratory, California Institute of Technology. «Results for NGC 2859». NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration. Ανακτήθηκε στις 21 Νοεμβρίου 2006.
de Lorenzo-Cáceres, A.; Falcón-Barroso, J.; Vazdekis, A. (May 2013), «Distinct stellar populations in the inner bars of double-barred galaxies», Monthly Notices of the Royal Astronomical Society431 (3): 2397–2418, doi:10.1093/mnras/stt334