(1930). Development of the United states capital: Addresses delivered in the auditorium of the United states Chamber of commerce Building, Washington, D.C., at meetings held to discuss the development of the national capital, April 25-26, 1929. Washington: U.S. Govt. Print. Office.

Development of the United States Capital: Addresses Delivered in the Auditorium of the United States Chamber of Commerce Building, Washington, D.C., At Meetings Held to Discuss the Development of the National Capital, April 25-26, 1929. Washington: U.S. Govt. Print. Office, 1930.

Development of the United States Capital: Addresses Delivered in the Auditorium of the United States Chamber of Commerce Building, Washington, D.C., At Meetings Held to Discuss the Development of the National Capital, April 25-26, 1929. Washington: U.S. Govt. Print. Office, 1930.