by District of Columbia. Board of Commissioners, Washington (D.C.). Board of Commissioners

1919

by Washington Academy of Sciences (Washington, D.C.)

1902

by Washington Academy of Sciences (Washington, D.C.)

1921

by Washington (D.C.). Board of Education

1902

by Washington (D.C.). Board of Commissioners

1910

by George Washington University

1905

by George Washington University

1905

by Saint Elizabeths Hospital (Washington, D.C.)

1907

by Augustus Washington Hayes

1929

by Washington (D.C.). Freedman's hospital

1894

by Freedmen's Hospital (Washington, D.C.)

1895

by Washington Academy of Sciences (Washington, D.C.)

1913