 Aaron's research led to the 1937 publication of a book covering the life and work of Locke , which subsequently became the accepted standard work on the subject .
<fluency>  Aaron's research led to the 1937 publication of a book covering the life and work of Locke , which subsequently became the accepted standard work on the subject .
 Aaron's research led to the 1937 publication of a book covering the life and work of Locke that subsequently became an accepted standard work on the subject .