ICPSR Catalog (the
MOST COMPREHENSIVE SOURCE)
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wide range of social science topics
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over 7000 data studies
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ability to filter by author, time, geography and more
Roper Center for Public Opinion Research:
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iPoll,
search for words in the question (U.S. national polls only)
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Catalog of Holdings
search for words in title/abstract (national, sub-national, international)
Data Holdings at Columbia
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Data products available directly from Columbia,
Subscription Internet sites like
OECD data tables and
SSEDL, and
key data products on public Internet sites.
Other useful search interfaces
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Search for references in social science literature
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Search for references to specific variables
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