Annual compendium of statistical info for the US. Good source for income figures for physicians, lawyers, etc, military aircraft production statistics and more. 2012 is the last published of this resource, but older editions will help with this assignment.

Also found in print in the library at HA202.U5 2013 in the reference section on the 2nd floor.

Decades in America reference book collection from 1950s-1990s. This series has historical information in many different aspects of society.

v. 1. The working class
v. 2. The middle class
v. 3. The upper class
v. 4. Their children
v. 5. Americans at war
v. 6. Women at work
v. 7. Social Movements.

Found in the reference collection on the second floor at call number HB235.U6 D47 2009.

Find this book by Neil A. Hamilton in the reference collection on the 2nd floor at call number E169.12 .H355 2000.

From the Federal Reserve