Martin Blindheim:
Main trends of East-Norwegian wooden figure sculpture in second half of the thirteenth century.
With 1 map, 1 figure in the text, and 46 plates.
Det Norske Vitenskaps-Akademi i Oslo. II. Hist. filos. klasse. 1952. No. 3.
Jacob Dybwad, Oslo 1952. 4to. 128 + [1] + Pl. I-XLVI s. Uoppskåret.