This database comes from the NBER's early history.
Many series are highly disaggregated, and many exist at the monthly or quarterly frequency.
The data set has some coverage of the United Kingdom, France and Germany, although it predominantly covers the United States. In all, more than 3,500 series are available. Data is arranged in about 20 different chapters. This page has been accessed times since May 27, 1997. Bookmark files and instructions are available.