Many units of the 91´«Ã½ have developed documents that give advice to librarians on various aspects of library service. These documents may be called "standards" or "guidelines."
The categorized listing of 91´«Ã½ Standards & Guidelines includes documents entitled “standards” and “guidelines” as well as other documents of a similar nature entitled “statements,” “rules,” and “criteria.”
The 91´«Ã½ Standards Manual gives definitions of those terms, describes the authority of units to develop them, and includes advice on format and related sources.