Presidents frequently establish advisory panels, commissions, and other bodies to study a particular issue, investigate a situation, or advise the President about a social problem.
Government Documents has the publications of dozens of presidential commissions, panels, task forces, councils, etc. from the 1960s forward, with a few from earlier presidents. Search for these documents using OneSearch. Examples of bodies established by presidents include:
President's Committee on Mental Retardation
Federal Ocean Program
President's Council on Physical Fitness and Sports
Conference on Inflation
Interagency Task Force for Indochina Refugees
President's Commission on the Holocaust
President's Commission on Pension Policy
President's Commission on Americans Outdoors
President's Blue Ribbon Commission on Defense Management