A prolific author, he wrote more than 100 articles, books and other works.
Since the late-1990s he has also become a prolific and successful author.
He is the world's most prolific author of go materials in English.
He is a prolific author, having produced 14 books in 16 years.
To that end, he became a prolific author of articles and books.
He was also a prolific author, publishing at least 10 books in the first half of the 20th century.
A prolific author, he has also written a variety of books on the subject.
She is also a prolific author with more than 70 books published.
A prolific academic author, he died on 1 June 1930.
She became a prolific author and also wrote several plays.