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.
Translated Texts for Historians makes available sources translated from Greek, Latin, Syriac, Coptic, Arabic, Georgian and Armenian, published between 300 and 800 AD.
TRB is a searchable index of the Transportation Research Board. The TRB Publications Index contains over 21,000 annotated citations for all TRB and Strategic Highway Research Program (SHRP) publications from the mid 1970s until present.
The Transportation Research Board's Research in Progress (RiP) website contains the Research In Progress (RiP) Database and a data-entry system to allow users in State Departments of Transportation, the U.S. Department of Transportation, and University Transportation Centers to add, modify and delete information on their current research projects. The RiP database now contains over 12100 current or recently completed transportation research projects.
TRIS Online is a public-domain, web-based version of the Transportation Research Information Services (TRIS) bibliographic database.