Data often add value to an argument, essentially allowing you to make or augment a point with numbers or visualizations, rather than through explanatory text.
Data searching can also require considerable digging -- especially when you are working with raw numbers (micro-level information).The mediation of a librarian with special data expertise can save you time (and frustration).
Data questions for students in Gen Ed 1123 should be sent to the Library's Data Services librarians, who can be reached via govdocs@fas.harvard.edu.
Data sources at Harvard may exist online, in databases, on CD-ROMs available for use within the library, and in print sources.
Some handy guides to data also exist. Access them here.
Governmental Sites:
IGO Sites
Browse reports on such topics as Muslim-Western Relations, Muslims and Islam, Terrorism, and Religious Extremism.