Munro S. Edmonson, Lore: an Introduction to the Science of Folklore and Literature, Holt, Rinehart and Winston 1971

FIGURE 8, HEER HALEWIJN: STRUCTURE OF THE BALLAD

No one has yet attempted to reconstruct the original form of the ballad. The following excerpts from various versions may, however, given [sic] an impression of the whole work and its variations. They are identified by numbers and letters corresponding to those in figure 8.