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The Census Bureau produces many publications chronicling the U.S. demographic and economic development. These publications are available in paper, microfiche, CD-ROM, and the Internet. Many Census Bureau publications are accessible through the online catalog.
Subject headings you can use to search for such documents in the Library Catalog include:
United States--Census, 21st, 1990
United States--Census, 22nd 2000
United States--Census, 23rd 2010
Retail trade--United States--Statistics
The principal index for U.S. Government Documents is the Monthly Catalog of U.S. Government Publications HSSE REF & Periodicals 016.353 Un36 and its also available online from 1994-present. U.S. Government publications from 1976-present can also be searched in the GPO Index on the Purdue Libraries Indexes page.
Census Bureau publications in Purdue Libraries can be found in the HSSE and Parrish Management & Economics (MEL) Libraries. Population census material will be in HSSE while economic census data will be at MEL
Federal Digital System (FDSYS) (Provides access to laws, legislation, and regulations on the Census Bureau). Information on downloading Purdue Libraries ebooks can be found here See United States Code Title 13 for federal Census laws.