Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. Organizations (hierarchy name)
4. organizations (groups)
5. associations
6. societies (associations)

Anotations

Scope note:

Associations of people, usually men, joined for mutual help, support, protection, or action. For social fraternities, which are local or national organizations of male college students and which typically have names composed of two or three Greek letters, use "fraternities"; however, usage may overlap.