The Executive Departments of the United States at Washington : a Comprehensive View of the Powers, Functions, and Duties of the Heads of Departments, Bureaus, and Divisions at Washington, as Prescribed by Law and Regulations

The Executive Departments of the United States at Washington : a Comprehensive View of the Powers, Functions, and Duties of the Heads of Departments, Bureaus, and Divisions at Washington, as Prescribed by Law and Regulations