New databases
By Kieron L Jones, on 4 September 2012
For those interested in US political history, we now have (via our list of databases: http://www.ucl.ac.uk/Library/database/index.shtml):
Congressional Research Digital Collections This resource combines Reports from the Legislative Reference Service and the Congressional Research Service from 1916 to present and Congressional Committee Prints (from 1830 to present).
Digital National Security Archive The database includes more than 60,000 of the most important declassified documents regarding critical US policy decisions.