Conversation so far:
What was Bernard Lewis's research about?
He is a pioneer of the social and economic history of the Middle East.
which part of the middle east did he study?
extensive research of the Ottoman archives.
did he study their history?
He began his research career with the study of medieval Arab, especially Syrian, history.

Question: Did he make any papers of importance?
Self-contained rewrite: Did Bernard Lewis write any important papers?