According to the types of collected documents, what are the ways to obtain library information?

Collection information database, library catalog system, academic search engine, library alliance.

Collection information databases: These databases contain a large amount of collection information, including collection catalogues and collection information of libraries, archives, museums and other institutions. Users can search and find the required library information by accessing these databases.

Library catalog system: The library catalog system is a service provided by the library, which can help users find information such as the location and borrowing status of the collected books. Users can access the library's website or use the directory query tools provided by the library to obtain the required collection information.

Academic search engine: Academic search engine is a kind of search engine specially used for searching academic resources, which can search a large number of academic papers, research reports, books and so on. By using the academic search engine, users can search related book collection information, such as collection catalogue, paper citation and so on.

Library Consortium: Library Consortium is a cooperative organization composed of several libraries, aiming at * * * sharing resources and improving service level. Library consortia usually establish a unified catalogue system to facilitate the mutual borrowing and sharing among member libraries. By visiting the website of the Library Consortium or using the directory query tool provided by the Consortium, users can obtain the collection information of member libraries, including the collections of other libraries.