Government and Legal Documents
- U.S. Declassified Documents Online
Access to a broad range of previously classified federal records from the twentieth and twenty first centuries, including presidential libraries, diplomatic correspondence, domestic surveillance, and military reports.
- Library of CongressLibrary of Congress - Business History Digital Collections
- U.S. Census Bureau: Foreign Trade Data
The official source for U.S. export and import statistics.
2011 data also available as zip files.
