Search the Air University Library's Index to Military Periodicals or the Library's catalog. Also offered on this site are bibliographies on military science, aeronautics, and related topics.
American Memory provides digitized collections of photographs, maps, music, paintings, and other visual objects from the collections at the Library of Congress. This page covers all subject areas and searches by format, time, region, and also searches across collections. A learning page for teachers and students is also available.
"The American Religion Data Archive (ARDA) … acts to preserve quantitative data on American religion, to improve access to this data, to increase the use of the data, and to allow comparisons across data files. The ARDA collection includes data on churches and church membership, religious professionals, and religious groups (individuals, congregations and denominations)." The data includes statistics at the state and county level along with maps to the state level.
The CIA has established this site to provide the public with an overview of access to CIA information, including electronic access to previously released documents.
"The Congressional Research Service is the public policy research arm of the United States Congress. Congress created CRS in order to have its own source of nonpartisan, objective analysis and research on all legislative issues. Indeed, the sole mission of CRS is to serve the United States Congress. CRS is organized into six interdisciplinary research divisions and within each division, CRS staff are organized into smaller sections, which focus on specific areas of public policy." Reports of the CRS are not available to the general public and must be requested from a member of Congress. The two sites above provide access to a number of these reports from the early 1990s to present.
Crime and Justice Electronic Data Abstracts are aggregated data from a wide variety of published sources that are presented in spreadsheets to facilitate use with analytic software. Files are displayed by jurisdiction and time.
The Center's database of information on suspects and defendants processed in the Federal court system allows downloading of data about specific events and outcomes, such as the number of defendants prosecuted, convicted, and sentenced in a given year, etc. Online versions of the Compendium of Federal Justice Statistics are also offered.
This site presents national-level statistical data broken down by gender. Data can be retrieved by country and theme or by a country profile.
This resource is an index of federal GIS databases with data categories ranging from atmosphere to water resources and combining mapping and statistical data. Site also contains annotations, metadata, and links to primary web sites.
Geographic Names and Information System
Developed by the USGS in cooperation with the U.S. Board on Geographic Names (BGN), GNIS contains information about almost 2 million physical and cultural geographic features in the United States. The United States and Territories GNIS searchable online database allows searches for any United States feature. A search retrieves basic information about the feature including latitude, longitude, type of feature (populated place, cave, river, etc.), and the USGS 7.5' X 7.5' quadrangle map on which the feature may be found. You may click to view a location map. An Antarctica Geographic Names Database is also included.
The GEOnet Names Server (GNS) provides access to the National Imagery and Mapping Agency's (NIMA) database of foreign geographic feature names. Approximately 20,000 of the databases 3.5 million features are updated monthly. Search for world geographical names by specifying name and country (or coordinate bounding rectangle).
Nail is the National Archive's database of holdings both in Washington regional centers and the Presidential Libraries. Text, pictures, maps, and recordings are described and links provided to selected digital collections.National Anthropological Archives
Search 5 Smithsonian databases including the Library catalogs of paintings and sculpture, archival material, sound recordings, films and photographs.