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Contains nearly 200 Social Science databases covering all 50 U.S. states. The California (CA) collection contains these 200 U.S. databases, plus about 80 detailed databases on California. The Texas (TX) collection contains these 200 U.S. databases, plus about 60 detailed databases on Texas.

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Provided by the Roper Center for Public Opinion Research at Cornell University, Roper iPoll is the largest collection of public opinion poll data with results from 1935 to the present. Roper iPoll contains nearly 800,000 questions and over 23,000 datasets from both U.S. and international polling firms. Surveys cover any number of topics including, social issues, politics, pop culture, international affairs, science, the environment, and much more. When available, results charts, demographic crosstabs and full datasets are provided for immediate download.

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Declassified Documents Index provides full text access to formerly U.S. government classified documents that Primary Source Media obtains as they are declassified.

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U.S. Supreme Court Records and Briefs 1832-1978 is a fully searchable database of approximately 11 million pages and more than 350,000 separate documents related to the Supreme Court from 1832-1978.

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Historical Publications of the USCCR from its inception in 1957 A partnership of the United States Government Printing Office, The United States Commission on Civil Rights and the Thurgood Marshall Law Library, University of Maryland.

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Well organized, very interactive, and full of information for all, theEPA site offers news, local information, teacher resources, multimedia(videos, photos, audios), resources, and even a trivia quiz, allaccessible from the homepage.

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Urban Studies Abstracts

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The database contains 40,000 records gathered from legislative groups, research institutions, public research agencies, universities, and scholars from around the world covering essential areas related to urban studies, including urban affairs, community development, urban history, and other areas of key relevance to the discipline. Coverage is from 1973 to the present.

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This site is a resource that has grown over the course of 15 years from a site focusing on the metro system in Barcelona to a site called €œmetro Planet€ to its current incarnation with an international scope and convenient, easy-to-use maps of urban railway systems in the world'€™s largest cities on 6 continents.

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USPTO Issued Patents

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US Patent and trademark office database of issued patents. Include U.S. Patent Full Text Database (1976 -) and U.S. Patent Bibliographic Database (1976 -).

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