Salem History eBooks on history and biography, and primary source documents from Salem Press. No special device needed; just a web browser!
Historical Statistics of the United States Topics range from migration and health to crime and the Confederate States of America. Each are placed in historical context by a recognized expert in the field.
Sanborn Maps of Illinois 1867 - 1970 Because the maps were created over a century, they are useful in charting the development of cities and towns over many years.