1. Library: The library is the main place to inquire about ancient books and documents. Many large libraries have special ancient books departments, which collect a large number of ancient books. In the library, you can find various versions of ancient books, including originals, manuscripts and electronic versions. In addition, library staff are usually experts in ancient books, and they can provide professional advice and help.
2. Databases: There are many online ancient books databases, such as the Digital Library of the National Library of China, CNKI (China Knowledge Network). These databases contain a large number of ancient books, and you can search by keywords, authors, publication year and other information.
3. Ancient Books Websites: There are also some websites on the Internet that provide downloading or online reading of ancient books, such as Gutenberg Project and China Ancient Books Network. These websites usually provide rich resources of ancient books, but we should pay attention to the copyright of these websites.
4. Academic journals: If your research direction is the study of ancient books, then academic journals are indispensable resources. You can find relevant research papers in major academic journals to understand the latest research results.
5. Communication and cooperation: If you encounter difficulties in the process of querying ancient books and documents, you may wish to seek help from others. You can ask teachers, classmates or library staff for help, and you can also participate in some academic exchange activities in the study of ancient books to exchange experiences and experiences with other researchers.
Generally speaking, querying ancient books and documents requires comprehensive utilization of various resources, as well as patience and care. Only in this way can we find the most suitable ancient books resources and provide strong support for our own research.