 Bradley also served for some years as an editor of the annual journal "Grundtvig-Studier", and prepared a major work on biographical texts relating to Grundtvig.His publications have also touched on medieval Danish historiography, Danish ballads, English medieval literature, iconography and literature in the English post-Conquest period, archaeology, 17th-century Danish and English political tracts, and English 18th-century bawdy songs.Since retirement he has served as Chairman of the Trustees of the Friends of St Gregory's Minster in Kirkdale, North Yorkshire, promoting the preservation and interests of this distinguished Anglo-Saxon church.