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  1. 1. • is a type of reference work • a compendium holding a summary of information fromeither all branches of knowledge or a particular branch ofknowledge.• Encyclopedias are divided into articles or entries, which areusually accessed alphabetically by article name.
  2. 2. •The word encyclopedia comes from the Koine Greektransliterated enkykliospaideia, meaning "general education":• One of the earliest encyclopedic works to have survived tomodern times is the Naturalist Historia of Pliny the Elder. The Britannica is the oldest English-language encyclopedia still being produced. It was first published between 1768 and 1771 in Edinburgh, Scotland as three volumes.
  3. 3. Gaius Plinius Secundus (23 AD – August 25, 79 AD), better known as Pliny the Elder was a Roman author, naturalist, and natural philosopher as well as naval and army commander of the early Roman Empire, and personal friend of the emperor Vespasian.
  4. 4. 18th–19th centuries•The beginnings of the modern idea of the general-purpose, widely distributed printed encyclopedia precedethe 18th century encyclopedists.•Ephraim Chambers published his Cyclopedia in 1728. Itincluded a broad scope of subjects, used an alphabeticarrangement, relied on many different contributors andincluded the innovation of cross-referencing other sectionswithin articles. Chambers has been referred to as the fatherof the modern encyclopedia for this two-volume work.
  5. 5. •In the early 20th century, the EncyclopediaBritannica reached its eleventh edition, andinexpensive encyclopedias such asHarmsworths Universal Encyclopedia andEverymans Encyclopedia were common.
  6. 6. International development International development •During the 19th and early 20th century, many smaller or less developed languages saw their first encyclopedias, using French, German, and English role models.
  7. 7. Fist Encyclopedia in the World•The first major Danish encyclopedia was SalmonsensKonversationsleksikon (19 volumes, 1893–1911)•The first major Finnish encyclopedia was Tietosanakirja(11 volumes, 1909–1922).20th century •Popular and affordable encyclopaedias such as Harmsworths Universal Encyclopaedia and the Childrens Encyclopaedia appeared in the early 1920s.
  8. 8. •By the late 20thcentury, encyclopedias were beingpublished on CD-ROMs for use withpersonal computers. MicrosoftsEncarta, launched in 1993, was alandmark example as it had no printedequivalent. •Traditional encyclopedias are written by a number of employed text writers, usually people with an academic degree, and distributed as proprietary content.
  9. 9. Twenty-first century•The encyclopedias hierarchical structure and evolvingnature is particularly adaptable to a digital formatCharacteristics Four major elements define an encyclopedia: • its subject matter • its scope • its method of organization
  10. 10. • and its method of production:Encyclopedias can be general, containing articles ontopics in every field (the English-language EncyclopediaBritannica and German Brockhaus are well-knownexamples).General encyclopedias often contain guides on how to doa variety of things, as well as embedded dictionaries andgazetteers.Some systematic method of organization is essential tomaking an encyclopedia usable as a work of reference.
  11. 11. Encyclopedia This word signifies chain of knowledgeThe purpose of an encyclopedia is to collect knowledgedisseminated around the globe.Encyclopedia is considered as the secondary or tertiarysources of information, because most of the works are wroteby many person.
  12. 12. The End… Presented by:Mark Angelo M. Labitigan BLIS-III Presented to:Ms. Myrna P. Macapia, Librarian