Excerpt from Annual Report of the Commissioners of the District of Columbia, Year Ended June 30, 1917, Vol. 5: Report of the Department of Insurance, Business o

Excerpt from Annual Report of the Commissioners of the District of Columbia, Year Ended June 30, 1918, Vol. 5: Report of the Superintendent of Insurance; Busine

Excerpt from Annual Report of the Commissioners of the District of Columbia, Year Ended June 30, 1917, Vol. 2: Engineer Department Reports Asphalt, sheet, speci