: The Awesome Public Datasets repository lists numerous U.S.-centric data sources, including boundary data (TIGER/Line) and census information, often available in exportable text formats. 3. Academic Resources

If you are looking for larger-scale "informative" data for analysis, consider these structured text datasets:

The and Library of Congress provide full-text versions of the United States' foundational papers.

: The National Constitution Center provides the complete text of the Constitution, which can be easily copied into a text file.

: For scholarly "informative papers," JSTOR provides Title Lists in .txt format for institutional use, though full-text articles typically require a login or are provided as PDFs.