b'EarthRelated Term(s): Dystopias Broader Term(s): EducationDystopias Early Christian literatureDewey: 321; 335 Dewey: 270.1Scope Note: Use for materials on civilizations Scope Note: Use for individual works orcharacterized by dehumanization, collections of the writings of earlytotalitarian governments, Christian authors. Materials on theenvironmental disasters or other lives and thought of the leaders ofcataclysmic declines. Imaginative the Christian church up to the timeaccounts of such societies are of Gregory the Great in the Westentered under DystopiasFiction. and John of Damascus in the EastUse For: Anti-utopias are entered under Fathers of theBroader Term(s): Political science church.Related Term(s): Dystopian fiction Use For: Christian literature30-600,DystopiasFiction Early; Christian literature, EarlyBroader Term(s): Christian literatureUse: Dystopian fiction LiteratureMedieval literatureRelated Term(s): Church history30-600, EarlyE churchFathers of the churchE-mail Latin literatureGeographic Note: May subdivide geographically Early church historyDewey: 004.692; 384.3 Use: Church history30-600, EarlyScope Note: Use for materials on the electronic churchtransmission of letters, messages,etc., primarily through the use of Early printed bookscomputers. Geographic Note: May subdivide geographicallyUse For: Electronic mail systems; Email Dewey: 094Broader Term(s): Data transmission systems See Also: subjects with the subdivision EarlyTelecommunication works to 1800, for materials onthose subjects written before 1800,E-mail discussion groups e.g. Political scienceEarlyUse: Electronic discussion groups works to 1800 [to be added asE-mail reference services (Libraries) needed]Use: Electronic reference services Broader Term(s): Books(Libraries) Early printed books15th centuryE. coli Use: IncunabulaUse: Escherichia coli Early works to 1800Eagles Use subjects with the subdivision Early works to 1800,Geographic Note: May subdivide geographically for materials on those subjects written before 1800,Dewey: 598.9 e.g. Political scienceEarly works to 1800 [to beBroader Term(s): Birds added as needed]Birds of prey EarthEar Dewey: 525; 550Dewey: 611; 612.8 Scope Note: Use for general materials on theBroader Term(s): Head whole planet. Materials limited toRelated Term(s): Hearing the structure and composition of theearth and the physical changes it hasEarly childhood education undergone and is still undergoingGeographic Note: May subdivide geographically are entered under Geology.Dewey: 372.21 Use For: WorldScope Note: Use for materials on formal or Broader Term(s): Planetsinformal education of children up to Solar systemgrade three. Narrower Term(s):Antarctica319'