Index (publishing)

An index (plural: indexes) is a list of words or phrases ('headings') and associated pointers ('locators') to where useful material relating to that heading can be found in a document. In a traditional back-of-the-book index the headings will include names of people, places and events, and concepts selected by a person as being relevant and of interest to a possible reader of the book. The pointers are typically page numbers, paragraph numbers or section numbers. In a library catalog the words are authors, titles, subject headings, etc., and the pointers are call numbers.

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 * I certainly think that the best book in the world would owe the most to a good index, and the worst book, if it had but a single good thought in it, might be kept alive by it.
 * Horace Binney, To S. Austin Allibone; reported in Hoyt's New Cyclopedia Of Practical Quotations (1922), p. 974.


 * So essential did I consider an index to be to every book, that I proposed to bring a bill into Parliament to deprive an author who publishes a book without an index of the privilege of copyright, and, moreover, to subject him for his offense to a pecuniary penalty.
 * John Campbell, 1st Baron Campbell, Lives of the Chief Justices of England (1874), Preface to Volume III.


 * An index is a necessary implement. * * * Without this, a large author is but a labyrinth without a clue to direct the readers within.
 * Thomas Fuller, Worthies of England (1662).


 * The index tells us the contents of stories and directs to the particular chapters.
 * Philip Massinger and Nathan Field, The Fatal Dowry (c. 1619, printed 1632), Act IV. Sc. 1.


 * How index-learning turns no student pale, Yet holds the eel of science by the tail.
 * Alexander Pope, The Dunciad (1728), Book I, line 279.


 * That roars so loud and thunders in the index.
 * William Shakespeare, Hamlet (c. 1600-1602), Act III, scene 4, line 53.


 * And in such indexes, although small pricks To their subsequent volumes, there is seen The baby figure of the giant mass Of things to come at large.
 * William Shakespeare, Troilus and Cressida (c. 1602), Act I, scene 3, line 343.


 * Never index your own book.
 * Kurt Vonnegut, Cat's Cradle (1963), Chapter 55.