Career
The major work was the translation of the Bible in Frisian with the New Testament (Frisian: Nije Testamint) published in 1933 and the Old Testament (Frisian: Alde Testamint) in 1943. The Old Testament was completed with the help of East B Folkertsma. The complete Bible (Frisian: Bibel) published in 1943.
In 1953 he translated John Bunyan"s famous book The Pilgrim"s Progress into Frisian: De Pylgerreize.