Energy and Revenue Enrichment Act of 2011: hearing before the Subcommittee on Energy and Power of the Committee on Energy and Commerce, House of Representatives, One Hundred Twelfth Congress, first session, June 13, 2011.

Energy and Revenue Enrichment Act of 2011: hearing before the Subcommittee on Energy and Power of the Committee on Energy and Commerce, House of Representatives, One Hundred Twelfth Congress, first session, June 13, 2011.

Some vols. include supplemental journals of "such proceedings of the sessions, as, during the time they were depending, were ordered to be kept secret, and respecting which the injunction of secrecy was afterwards taken off by the order of the House."