Butjatha. – Friesischer Wikinger Butjatha,
Butjatha. -Frisian Viking Butjatha, stories. Oldenburg, about 1978. texts and illustrations, unpag. opbd.
Two original drawings with autograph text of the artist on front inside cover, referring to documenta 6 (1977), which Butjatha accompanied with private actions. - Enclosed:one sheet with autograph text and signature, date :1955.Text and signature, dat. 1977, as well as another autograph sheet and four Sheet and four Butjatha postcards.