There is two catalogue, the author catalogue and the subjectcatalogue.
有两种目录：作者目录和主题目录。
2
There's two catalogues: the author catalogue and the subjectcatalogue.
有两种目录：作者目录和主题目录。
3
The idea survived into the 20th century in the shape of the little catalogue cards librarians used to note down a book’s title, author, subject and so on before the records were moved onto computers.