This list of kinds of libraries includes definitions of terms used before 1876, terms used by recent writers on American library history (sometimes because of failure to understand earlier terminology), and terms used in a special sense in this study.
Academy library. Almost always the library of a secondary school, so not included in the main part of this study unless it was the library of a military academy that gave college-level work. See the headings School library and Military academy library.
Agricultural and mechanical college library. The library of a college that emphasized agriculture and engineering. In this study, these colleges have been considered as agricultural colleges.
Agricultural library belonging to a state government. A few state boards of agriculture had libraries, beginning in the 1850s.
Agricultural social library. A library belonging to a group that was organized to establish a library about agriculture.
Agricultural society library. A library owned by a society formed because its members were interested in agriculture. Some of these were called fanners' clubs.
Antiquarian society library. In this study, such a library is considered as a Historical society library.
Apprentices' library. A library for the use of apprentices, usually planned and supervised by older businessmen or employees and usually containing a general collection of books. Often open to others besides apprentices. Similar to a Mechanics' library or a Workingmen 's library but counted separately in this study.
Art museum library. A small number of these existed, mainly after the Civil War. In this study they have been considered as art society libraries.
Art society library. A library belonging to a society formed because of its members' interest in art. A very few of these existed, mainly after the Civil War. In this study art museum libraries are included with them.
Association library. See Society library.
Asylum library. The term asylum was widely used for any institution where handicapped or disadvantaged children or adults lived and were cared for. Many were maintained by charitable societies; others were operated by federal, state, or local governments.