Complex sentence: While it is not disputed that De Picques used a trefoil tool, current thinking accepts the evidence presented by A.R.A. Hobson that some of the bookbindings which were formerly attributed to the "atelier au trèfle" were not in fact the work of De Picques.
Split into simpler sentences: While it is not disputed that De Picques used a trefoil tool, more recent work highlights other binders working in the same style. Current thinking accepts the evidence presented by A.R.A. Hobson that some of the bookbindings which were formerly attributed to the "atelier au trèfle" were not in fact the work of De Picques.