Homeland security

https://www.wikidata.org/wiki/Q181467

Field Hierarchy

Parent
Political science 21.4M papers	Law 13.3M papers	Geography 11.1M papers	History 7M papers
Archaeology 6.3M papers		Terrorism 82.1k papers
Current
Homeland security 7,103 papers
Child
National Strategy to Secure Cyberspace 490 papers

Trends

Notes

History