Norsk folkeminnelag (NFL) [= Norwegian Folklore Society] founded in 1920, is a voluntary, non-profit cultural organization communicating and disseminating traditional folk poetry and customs. The society both protects collected materials through book releases, does guidance for collectors and own research in the field of folklore. From 1922 to 2012, the company has published 166 book titles, as well as a reprint of Magnus Brostrup Landstads Norske Folkeviser (= Norwegian Folk Songs) from 1852, besides cassettes and CDs with original recorded Folk Songs.