almanac vs white pages

almanac

noun
  • A book or table listing nautical, astronomical, astrological or other events for the year; sometimes, but not essentially, containing historical and statistical information. 

  • A handbook, typically published annually, containing information on a particular subject 

  • A GPS signal consisting of coarse orbit and status information for each satellite in the constellation. 

white pages

noun
  • The telephone directory (or section of a larger directory) that lists residential numbers. 

How often have the words almanac and white pages occurred in a corpus of books? (source: Google Ngram Viewer )