He wrote about 40 books and hundreds of articles.
He has published 30 books and hundreds of scholarly articles.
He is the author of four books and dozens of articles on history.
Under a contract to write a book or series of articles.
Lopez is the author of six books and thousands of articles.
He is the author of seven books and hundreds of articles.
Williams has written eight books and hundreds of articles.
Over all he published 28 books and hundreds of articles.
He published over 50 books and hundreds of articles.
He has published several books and hundreds of articles.