Kristoffer Kruken - Ola Stemshaug: Norsk personnamnleksikon, Det Norske Samlaget, Oslo 1995, ISBN 82-521-4483-7
Statistisk sentralbyrå, Namnestatistikk: 7 354 males with the given name Asbjørn living in Norway on January 1st 2011, with the frequency peak in the 1920s. Accessed on 19 May, 2011.