arts vs classical studies

arts

noun
  • The study of languages and literature. 

  • The liberal arts. 

  • The study of literature, philosophy, and the arts. 

classical studies

noun
  • The study of Ancient Greek and Latin, their literature, history, etc., sometimes inclusive of the study of the ancient Mediterranean generally. 

How often have the words arts and classical studies occurred in a corpus of books? (source: Google Ngram Viewer )