Disambiguation evidence for Homeland Security Presidential Directive 21 via surface form
"Homeland Security Presidential Directive 21"
Triples (1)
Triples where some other subject referred to this entity
as "Homeland Security Presidential Directive 21".
Homeland Security Presidential Directives
→
includes
→
"Homeland Security Presidential Directive 21"
ⓘ
↳ resolves to Homeland Security Presidential Directive 21