Danskernes Navne, based on CPR data: 35 530 females with the given name Lene have been registered in Denmark between about 1890 (=the population alive in 1967) and January 2005, with the frequency peak in the 1960s. Accessed on 19 May, 2011.
Kristoffer Kruken - Ola Stemshaug: Norsk personnamnleksikon, Det Norske Samlaget, Oslo 1995, →ISBN
Statistisk sentralbyrå, Namnestatistikk: 9883 females with the given name living in Norway on January 1st 2011, with the frequency peak in the 1970s. Accessed on 19 May, 2011.