British Political Speech Archive
Transcripts from British speeches (1895 - 2015), categorized by date, speaker, party, and title
politics
Snowden Archive: The SIDtoday Files
Dataset of internal newsletters from the Signals Intelligence Directorate of the U.S. National Security Administration (NSA), released from 2003-2012. Dataset is slowly being released in small batches.
The National Registry of Exonerations (U.S.)
Dataset on more than 1800 U.S. criminal conviction exonerations (beginning in 1989), including information on the individual exoneree and their case
Deep and interesting datasets for computational journalists: a quick list
Blog post from Stanford’s Computational Journalism Lab that includes a list of freely available data sources
SF OpenData
Repository of data released by San Francisco city and county
Pew Research
Data from numerous Pew surveys
Board of Governors of the Federal Reserve System (US)
Repository of data related to the Federal Reserve
Federal Reserve (US): Foreign Exchange Rates
Historical data on currency exchange rates