Conversation so far:
In what area did Lewis do Bernard Lewis's research?
He is a pioneer of the social and economic history of the Middle East and is famous for his extensive research of the Ottoman archives.
Was it unusual to get access to the Ottoman archives?
He began his research career with the study of medieval Arab, especially Syrian, history.
Did he follow up with more research?
His first article, dedicated to professional guilds of medieval Islam, had been widely regarded as the most authoritative work on the subject for about thirty years.
Where was the article published?
A series of articles that Lewis published over the next several years revolutionized the history of the Middle East by giving a.
What was his first article called?
CANNOTANSWER.

Question: What other articles did he publish based on his research?
Self-contained rewrite: Other than articles about medieval Islam, what other articles did Bernard Lewis publish based on his research?