0.37 Rolf Wilhelm Brednich Joan L. Cotter, Das Deutsche Volksliedarchiv in Freiburg im Breisgau and German Folksong Research, Journal of the Folklore Institute, 1968.

{ proverb german proverbial volkskunde }	0.37
{ work study folk field }	0.28
{ form number part found }	0.13
{ song music musical folk }	0.07