He has written over seventy other articles for policy and business audiences.

He also wrote over 100 articles, book reviews, and commentary.

He wrote over 30 books and 2500 articles during his career.

He has written over 150 scientific articles and three books.

He wrote over 100 books and 700 articles during his lifetime.

Since 1963 she has written over 1000 articles and 8 books.

He has written over 10 stage plays, 800 articles and reviews.

O'Brien himself has written over 200 articles for the site that have been seen more than 50 million times.

He has published five books and written over 20 articles for religious journals.

He also wrote over two hundred articles and radio talks.