Quantitative facts of American history. Topics ranging from migration and health to crime and the Confederate States of America are each placed in historical context by a recognized expert in the field. The fully searchable and downloadable electronic edition permits users to graph individual tables and create customized tables and spreadsheets reflecting their own particular areas of interest. Over 37,000 data series. Download tables in Excel or CSV; also download entire groups of tables as a zip file. Create custom tables; merge columns from multiple tables to create custom tables, which can also be downloaded, printed, or graphed.