What is the four areas of student affairs-centered higher education law in Peter Lake (2011)?

Peter Lake (2011) (Book name: Foundations of higher education law and policy: Basic legal rules, concepts, and principles for student affairs) outlines four eras of student affairs-centered higher education. Identify the four eras and briefly explain the central tenets of each. 

It's a briefly essay and responses should be at least two to three pages.