Editing Cutter Expansive Classification (section)

== Summary of the Expansive Classification schedules ==

=== First classification ===
The first classification is meant for very small libraries. The first classification has only seven top-level classes, and only eight classes in total:

* '''A''' Works of reference and general works which include several of the following sections, and so could not go in any one.
* '''B''' [[Outline of philosophy|Philosophy]] and [[Outline of religion|Religion]]
* '''E''' Biography
* '''F''' [[Outline of history|History]] and [[Outline of geography|Geography]] and Travels
* '''H''' [[Outline of social science|Social sciences]]
* '''L''' [[Outline of natural science|Natural sciences]] and [[The arts|Arts]]
* '''Y''' [[Outline of linguistics|Language]] and [[Outline of literature|Literature]]
* '''YF''' [[Outline of fiction|Fiction]]

=== Further classifications ===
Further expansions add more top-level classes and subdivisions. Many subclasses arranged systematically, with common divisions, such as those by geography and language, following a consistent system throughout.<ref>{{Cite web | url=https://archive.org/details/cu31924092476229 |title = Expansive classification|year = 1891}}</ref>

By the fifth classification all the letters of the alphabet are in use for top-level classes. These are:

* '''A''' General Works
* '''B''' [[Outline of philosophy|Philosophy]]
* '''C''' [[Outline of Christianity|Christianity]] and [[Outline of Judaism|Judaism]]
* '''D''' Ecclesiastical History
* '''E''' Biography
* '''F''' [[Outline of history|History]], Universal History
* '''G''' [[Outline of geography|Geography]] and Travels
* '''H''' [[Outline of social science|Social Sciences]]
* '''I''' Demotics, [[Outline of sociology|Sociology]]
* '''J''' Civics, Government, [[Outline of political science|Political Science]]
* '''K''' Legislation
* '''L''' [[Outline of science|Science]] and [[The arts|Arts]] together
* '''M''' Natural History
* '''N''' [[Outline of botany|Botany]]
* '''O''' [[Outline of zoology|Zoology]]
* '''P''' [[Outline of anthropology|Anthropology]] and Ethnology
* '''Q''' [[Outline of medicine|Medicine]]
* '''R''' Useful arts, [[Outline of technology|Technology]]
* '''S''' Constructive arts ([[Outline of engineering|Engineering]] and [[Outline of construction|Building]])
* '''T''' [[Outline of manufacturing|Manufactures]] and Handicrafts
* '''U''' [[Outline of military science and technology|Art of War]]
* '''V''' Recreative arts, [[Outline of sports|Sports]], [[Outline of games|Games]], [[Outline of festivals|Festivals]]
* '''W''' [[Outline of the visual arts|Art]]
* '''X''' English Language
* '''Y''' English and American literature
* '''Z''' Book arts

These schedules were not meant to be fixed, but were to be adapted to meet the needs of each library. For example, books on the English language may be put in X, and books on language in general in a subclass of X, or this can be reversed. The first option is less logical, but results in shorter marks for most English language libraries.<ref>Cutter, C. A. [https://books.google.com/books?id=L10oAAAAYAAJ&pg=PA1 ''Expansive Classification: Part I: The First Six Classifications'']. Boston, C. A. Cutter. 1891–93, p. 27.</ref>