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.
The World Factbook provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 267 world entities. Our Reference tab includes: maps of the major world regions, as well as Flags of the World, a Physical Map of the World, a Political Map of the World, a World Oceans map, and a Standard Time Zones of the World map.