http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
selected and with an introduction by Axel Olrik; translated by E. M. Smith-Dampier.
Translation of Danske folkeviser i udvaig, first part published in 1899 and second part published in 1909. Two of the ballads and a portion of the notes have been omitted. cf. Editorial note.