Numerous U.S. Government resources document Indiana's political, economic, and social history including
ProQuest Congressional (Purdue Users Only: Provides access to historic U.S. Government documents from 1789-1969 and congressional debates until 1997.
Census of Agriculture (Provides detailed agricultural information about Indiana from 1840 through the 2012 Census of Agriculture and more recent data)
Census of Population (Indiana demographic and economic data from the 1790-2010 decennial census)
Biographical Directory of Congress (Biographical information on U.S. Representatives & Senators 1774-present)
Hoosier National Forest (Administered by the U.S. Forest Service in the Dept. of Agriculture)
Indiana National Park Service Sites (Includes information about George Rogers Clark National Historical Park, Indiana Dunes National Lakeshore, and Lincoln Boyhood Home)
Indiana National Wildlife Refuges (Contains information about Big Oaks, Muscatatuck, and Patoka River National Wildlife Refuges)
Local Climatological Data (Weather conditions in selected Indiana & other U.S. locations)
Measuring Worth (University of Illinois-Chicago tool making it possible to calculate historic financial prices to contemporary prices)
Minerals Yearbook of the U.S. (Courtesy: University of Wisconsin from 1931-1993) and HERE for 1994-present.
Prices & Wages by Decade: Courtesy-University of Missouri Library
Statistical Abstract of the United States (Purdue Users Only)(Annual statistical compilation consisting of government and non-governmental resources)