China's book classification is based on scientific classification and combined with the characteristics of books.
Book classification, also called book classification thesaurus, is classified according to the contents, forms, genres and readers' uses. Under the guidance of certain philosophical thoughts, the books of various disciplines are divided into several categories according to their subject contents by using the principle of knowledge classification and logical methods. Each category is divided into many subclasses, and each subclass is divided into molecular subclasses.
Book discipline codes represent the basic disciplines of humanities and natural sciences with uppercase and lowercase English letters respectively; The secondary or tertiary levels of affiliated disciplines are represented by natural ordinal numbers and distinguished by decimal points. Other mobile disciplines reserve 9, and the ordinal number reaches 9 or the decimal number is represented by 99.
Book classification basis:
1, which can be divided into humanities books and nature books according to their universal attributes.
2. Based on the basic subject attributes of books.
3. According to the standards of the affiliated disciplines of books.
4. According to the functional attributes of books (writing, learning, teaching and helping).
5. Classify works, academics, teaching and help (dictionaries, encyclopedias, books, government books, yearbooks, manuals, bibliographies, indexes, abstracts, tables, catalogues and standards) according to the nature of books.
6. According to the international space of books, it is divided into domestic and foreign original books (non-disciplinary definition space).
7, according to the book time series (non-disciplinary time series).