Complex sentence: The archival sources from Tournai (completely destroyed during World War II, but luckily partly transcribed in the 19th and early 20th century) are somewhat confusing and have led to different interpretations by scholars.
Split into simpler sentences: The archival sources from Tournai were completely destroyed during World War II, but luckily partly transcribed in the 19th and early 20th century. The sources are somewhat confusing and have led to different interpretations by scholars.