District of Columbia. Board of Trustees of Public Schools Bezüge im Wissensnetz Verfasst (1) DNB-Titeldaten Report of the Board of Trustees of Public Schools of the District of Columbia to the Commissioners of the District of Columbia Creator (1) DNB-Titeldaten Report of the Board of Trustees of Public Schools of the District of Columbia to the Commissioners of the District of Columbia Administrative Überordnung der Körperschaft (1) GND-Körperschaften District of Columbia