There are five books in the series, each written by a different author.

"Although these books have been written with four different authors, I think of them as one work," he said in a 2008 interview.

Many of these books, quoted by different authors are lost.

His works have also been cited by over 10,000 different authors.

Sometimes two different authors have been published under the same name.

Due to its long history, the University has been named in many books and works by different authors.

One story from each of 55 different authors is included.

This book picks up the story from there, although it is written by a different author.

Each poem in the set has a different author, and is considered to be their best work.

In the course of time, this species has been given many names by different authors.