is the largest Norwegian biographical encyclopedia. It is part of the Store norske leksikon ("Great Norwegian Encyclopedia").

Origin The first print edition (NBL1) was issued between 1923 and 1983;Mudge, Isadore (1924) "Some Reference Books" Library Journal v49 #1:23 NBL official website it included 19 volumesDahl, Gina (2011) Books in Early Modern Norway Brill NV and 5,100 articles.

Kunnskapsforlaget took over the rights to NBL1 from Aschehoug in 1995, and work began on a second print edition (NBL2) in 1998. The project had economic support from the Fritt Ord Foundation and the Ministry of Culture, and NBL2 was launched in the years 1999–2005, including 10 volumes and around 5,700 articles.

Online access In 2009 an Internet edition, with free access, was released by together with the general-purpose . The electronic edition features additional biographies, and updates about dates of death of biographies. Apart from that, the vast body of text is unaltered from the printed version.

List of volumes This is a list of volumes in the second edition of .Entry in BIBSYS

Volume 1: Abel–Bruusgaard. Published 1999 Volume 2: Bry–Ernø. Published 2000 Volume 3: Escholt–Halvdan. Published 2001 Volume 4: Halvorsen–Ibsen. Published 2001 Volume 5: Ihlen–Larsson. Published 2002 Volume 6: Lassen–Nitter. Published 2003 Volume 7: Njøs–Samuelsen. Published 2003 Volume 8: Sand–Sundquist. Published 2004 Volume 9: Sundt–Wikborg. Published 2005 Volume 10: Wilberg–Aavik, plus extra material. Published 2005

This is a list of volumes in the first edition of .Entry in BIBSYS

Volume 1: Aabel–Bjørnson. Published 1923 Volume 2: Bjørnstad–Christian Frederik. Published 1925 Volume 3: Christiansen–Eyvind Urarhorn. Published 1926 Volume 4: Fabricius–Grodtschilling. Published 1929 Volume 5: Grosch–Helkand. Published 1931 Volume 6: Helland–Lars Jensen. Published 1934 Volume 7: Lars O. Jensen–Krefting. Published 1936 Volume 8: Kristensen–Løwenhielm. Published 1938 Volume 9: Madsen–Nansen. Published 1940 Volume 10: Narve–Harald C. Pedersen. Published 1949 Volume 11: Oscar Pedersen–Ross. Published 1952 Volume 12: Rosseland–Schult. Published 1954 Volume 13: Schultz–Skramstad. Published 1958 Volume 14: Skredsvig–Stenersen. Published 1962 Volume 15: Stensaker–Sørbrøden. Published 1966 Volume 16: Sørensen–Alf Torp. Published 1969 Volume 17: Eivind Torp–Vidnes. Published 1975 Volume 18: Vig–Henrik Wergeland. Published 1977 Volume 19: N. Wergeland–Øyen. Published 1983

References