Complex sentence: Today 33 works, dated between the early 1430s and c.1450, are attributed to him with varying degrees of confidence; Chapuis, 103 due to lack of documentary evidence many attributions remain problematic.
Split into simpler sentences: Today 33 works, dated between the early 1430s and c.1450, are attributed to him with varying degrees of confidence. Due to lack of documentary evidence many attributions remain problematic.