: This is a large-scale, structured text dataset of historical U.S. newspapers (1789–1963). You can find technical details and access instructions on ResearchGate .
The and Library of Congress provide full-text versions of the United States' foundational papers. Download usa txt
: 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. : This is a large-scale, structured text dataset
: 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 : This is a large-scale
: The National Constitution Center provides the complete text of the Constitution, which can be easily copied into a text file.