United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Public Buildings and Economic Development. (1997). H.R. 20, the Capitol Visitor Center: Hearing before the Subcommittee on Public Buildings and Economic Development of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Fifth Congress, first session, May 22, 1997. Washington: U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office.

United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Public Buildings and Economic Development. H.R. 20, the Capitol Visitor Center: Hearing Before the Subcommittee On Public Buildings and Economic Development of the Committee On Transportation and Infrastructure, House of Representatives, One Hundred Fifth Congress, First Session, May 22, 1997. Washington: U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1997.

United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Public Buildings and Economic Development. H.R. 20, the Capitol Visitor Center: Hearing Before the Subcommittee On Public Buildings and Economic Development of the Committee On Transportation and Infrastructure, House of Representatives, One Hundred Fifth Congress, First Session, May 22, 1997. Washington: U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1997.