It is a catalogue arrangement of several books, also known as literature catalogue and book catalogue. From the biography of Heather Zhang Youchuan: "I want to read the books in the pavilion. He read four bibliographies and said,' After reading this, you can be said to be an excellent official.' "

Bibliography, title list. This is the catalogue arrangement of many books. The basic explanation is: [book list] book catalogue. It is also called document catalogue and book catalogue, but it is not equal to book catalogue, because book catalogue can refer to the catalogue arrangement of a batch of books or the catalogue within a book.

There are all kinds of bibliographies, from several books to reference books, from simple books to titles of many books, from detailed books to edited summaries and authors' introductions.

There is no fixed or standard classification, but there are probably the following bibliographic classifications.

① Compilation purpose and social function: registered catalogue (national bibliography), subject notification catalogue, recommended catalogue, special subject and special subject catalogue (China agricultural bibliography), bibliographic guide (national library bibliography), published bibliography, teaching catalogue of national college and technical secondary school teaching books collection, new science and technology bibliography and new social science bibliography.

② literature collection scope: collection catalogue and scope.

③ Contents of documents listed in the catalogue: comprehensive catalogue, special catalogue, personal writings catalogue and local literature catalogue;

④ Reflect the types of documents contained in the catalogue: book catalogue, periodical catalogue, map catalogue, patent catalogue and standard catalogue;

⑤ Publication time and catalogue compilation time of the included documents: current catalogue, retrospective catalogue and preview catalogue;

⑥ Arrangement of collected documents: classified catalogue and alphabetical catalogue;

⑦ Degree of disclosure of documents: title, abstract, abstract, etc.