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Search Tips

Within the Keywords search box, search terms are automatically joined by AND and truncated with *

Within individual field search boxes:

  • Browse the indexes to select words or complete terms
  • use & for AND
    e.g. water & pollution
  • use / for OR
    e.g. lake / ocean / sea
  • use ! for NOT
    e.g. water ! lake
  • use " " to search for a phrase
    e.g. "acid precipitation"
  • use * for truncation
    e.g. pollut* to find pollute, polluters, pollution, etc.
  • use >, <, >=, <= for greater or less than
    e.g. >= 2007 finds dates from 2007 onwards
  • use : to search a range
    e.g. 2001:2012, example:sample
  • More help is available.