Culture · 6 pages · 12 min

How an index is made by judgments

An index is a set of choices about which topics a reader will need to find.

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From the opening

A back-of-the-book index is a list of chosen headings, each pointing to the pages where that topic is actually discussed. Someone has to decide what counts as a topic, what to call it, and which mentions are worth a reader's trip. The opening covers chosen headings, not every word, see references and subentries, and passing mentions left out.

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Inside

  • Chosen headings, not every word
  • See references and subentries
  • Passing mentions left out
  • Why a word list is thinner
  • Where the idea stops applying
  • A distinction worth keeping

Sources

  • Back-of-the-book indexing as a selective craft
  • The Chicago Manual of Style on indexes