To find additional resources, consult these other Guides:
GIS and Data Visualization - Check the GIS Datasets tab for data from the U.S., Massachusetts and some other countries. Contact Bahare Sanaie-Movahed, GIS specialist for advice about international spatial data.
To find data/statistics, try these Guides: Also, please note that many Research Guides have Data/Statistics or Statistics/Mapping tabs.
To find articles/reports for literature reviews or briefer surveys, try these Guides:
Political Science - The Articles tab covers databases for environment/sustainability and education/social welfare/health in addition to search tools for public policy.