book of original entry vs chronicle

book of original entry

noun
  • A record book in which all transactions (or all of a certain class) of a business are recorded and from entries are made in accounting records such as the general ledger or subsidiary ledgers. 

chronicle

noun
  • A written account of events and when they happened, ordered by time. 

verb
  • To record in or as in a chronicle. 

How often have the words book of original entry and chronicle occurred in a corpus of books? (source: Google Ngram Viewer )