# References In **References,** you will find bibliographic information as well as internet resources that are relevant to the accessed Postclassical Work or its metadata. References from books, journals, catalogues, etc., are listed under **Bibliographic References.** The text with a grey background indicates the higher-level hierarchical structure of the bibliographic reference. Further information about the data in Bibliographic References can be found [here](/using-census-data/data-in-the-census-records/bibliography-records.md). Under **Web Resource(s),** relevant internet resources are displayed. The **Title** field gives the name of the associated web resource. Underneath is a clickable link that leads you directly to the resource. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.census.de/using-census-data/data-in-the-census-records/postclassical-work-records/references.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.