Title used before an adult woman's name or surname, especially when it is not desired or possible to indicate her marital status with Miss or Mrs.
states on page 602 that The 15th edition of The Chicago Manual of Style states in paragraph 7.16
How often have the words Ms and states on page 602 that The 15th edition of The Chicago Manual of Style states in paragraph 7.16 occurred in a corpus of books? (source: Google Ngram Viewer )