Political scientist Brian R. Dirck states: "The Emancipation Proclamation was an executive order, itself a rather unusual thing in those days. Executive orders are simply presidential directives issued to agents of the executive department by its boss." Brian R. Dirck (2007). The Executive Branch of Federal Government: People, Process, and Politics. ABC-CLIO. ص. 102. مؤرشف من الأصل في 2016-04-28.
Political scientist Brian R. Dirck states: "The Emancipation Proclamation was an executive order, itself a rather unusual thing in those days. Executive orders are simply presidential directives issued to agents of the executive department by its boss." Brian R. Dirck (2007). The Executive Branch of Federal Government: People, Process, and Politics. ABC-CLIO. ص. 102. مؤرشف من الأصل في 2016-04-28.
