democratic authority

Authority in government generally refers to the ability to make laws or rules

republican authority

The Authority, a Wildstorm superhero comic book series

monarchic authority

Authoritarianism describes a form of social control characterized by strict obedience to the authority of a state or organization

New York State public benefit corporations

Appeal to authority, a type of logical argument which is one method of obtaining propositional knowledge and is often a logical fallacy

Church authority, the authority (assumed or perceived) that a church has to decide what is orthodox and what is heresy

Authority control in library and information science (the practice of creating and maintaining headings for bibliographic material in a catalog)

Police authority, in the United Kingdom, a body charged with securing an efficient and effective British police force for its area

Authoritarian personality describes individuals who seek to dominate those within their sphere of influence

author citation (botany)

The Authority (RPG), a role-playing game set in superhero comic book universe of the same name, based on Guardians of Order's Silver Age Sentinels

author citation (zoology)

Authority (management) refers to the five recognized types of management authorities:

In criticism of texts, the authority of a document means its reliability as a witness to the author's intentions.

In scientific classification of living organisms, the Authority for a taxon is the name of the author who first published a valid description of it. Slightly different systems for specifying the authority are used in different branches of biology