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Databases (60 results)

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U.S. Bureau of Transportation Statistics

As the independent statistical agency within the Department of Transportation (D0T), the Bureau of Transportation Statistics (BTS) is a politically objective supplier of trusted and statistically-sound baseline, contextual, and trend information used to shape transportation policy, investments, and research across the US and abroad.

U.S. Census Bureau

The United States Census Bureau is responsible for the Census of Population and Housing. It also gathers other national demographic and economic data. As part of the United States Department of Commerce, the Census Bureau serves as a leading source of data about America’s people and economy.

U.S. Census Bureau Cartographic Boundary Files

The 1990 and 2000 decennial census boundary files available here are selected generalized extracts from the Census Bureau’s TIGER geographic database and are designed for use in a Geographic Information System (GIS) or similar mapping system. The cartographic boundary files on this site are available in ARC/INFO EXPORT (.e00) format, ArcView Shapefile (.shp) format, and ARC/INFO Ungenerate (ASCII) format. These are the boundary files without the demographic data in the attribute tables. Tabular data may be downloaded from American Factfinder ( and used in conjunction with the boundary files.

Coverage: United States; 1990, 2000
Tags: Geographic Information Systems (Gis), Geography
U.S. Census Bureau Mapping Files
GIS mapping files contain geographical information, which are spatial data encoded into a file format. These include boundary files used for the decennial census back to 1990 as well as other census map files.
U.S. Congressional Serial Set [via Newsbank]
The Readex/Newsbank U.S. Congressional Serial Set (1817-1980) has full text Congressional committee reports and documents originally published in the Serial Set from the 15th through the 96th Congresses, 1817-1980. Also includes the American State Papers (a retrospective collection of materials originating from 1789 through 1838 but published in the second quarter of the 19th century). The U.S. Congressional Serial Set is the bound, sequentially numbered set of volumes of all the Reports, Documents and Journals of the U.S. Senate and House of Representatives. Many early agency reports were published originally in congressional editions. The Serial Set constitutes an incomparably rich collection of primary source material on all aspects of American history and government.
Coverage: 1817-1980, with American State Papers 1789-1838
Tags: Congress, Government
U.S. Declassified Documents Online [via Gale]
U.S. Declassified Documents OnlineThe collection is the most comprehensive compilation of declassified documents from the executive branch. The types of materials include intelligence studies, policy papers, diplomatic correspondence, cabinet meeting minutes, briefing materials, and domestic surveillance and military reports. The collection editors have actively monitored the release of formerly classified documents from presidential libraries. They have also added numerous major releases of declassified documents from the Department of State, Department of Defense, Central Intelligence Agency, Federal Bureau of Investigation, Joint Chiefs of Staff, and other executive agencies.
U.S. Government Documents as Primary Sources [via UC Davis Library]

Suggested resources published by the U.S. government for research in U.S. history, including online indexes and abstracts and major print collections. Focus is on primary source materials published by U.S. government agencies and by the U.S. congress.

U*X*L Encyclopedia of Biomes [via Gale]
Online version of this 3-volume encyclopedia provides "detailed comparative essays on major biomes and their component ecosystems. Includes entries on land biomes and water biomes and covers climate, elevation, soil, water bodies, vegetation, animal life, food web, plant and animal adaptations, endangered species, human effects on the biome and the effects of the environment on humans' culture and economy."
Coverage: 2008
Tags: Ecology
UC Berkeley Media Resources Center

Provides information on UC Berkeley’s extensive film and video resources, as well as useful film studies bibliographies by subject.