Author and subject indexes are available on a library database.

作者索引和学科索引可在图书馆的数据库中找到。

《牛津词典》

Users therefore can search by title, by author, by subject, and often by keyword.

所以用户们可以根据标题、作者、主题，经常是关键字来搜索。

《柯林斯英汉双解大词典》

Rachel Botsman, the author of a book on the subject, says the consumer peer-to-peer rental market alone is worth $26 billion.

瑞秋·博茨曼是这方面书籍的作者。她说，单是消费者中个人对个人的租赁市场就价值260亿美元。

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To recap: Coughlin is the author of an impressive 330-page master's thesis on the subject which was recently accepted by the Defense Intelligence University.

CENTERFORSECURITYPOLICY: The Coughlin affair

The lead author, Gilles-Eric Seralini, certainly has some very strong views on the subject of GM crops.

FORBES: Monsanto's GM Corn And Cancer In Rats: Real Scientists Deeply Unimpressed. Politics Not Science Perhaps?

The subject of the letter sued the activist - as well as the author - for libel.

BBC: Google was one of the firms backing the appeal