Obstruction of justice does the Justice Department have to respond to a lawfully issued and valid congressional subpoena? : hearing before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Twelfth Congress, first session, June 13, 2011

"Obstruction of justice does the Justice Department have to respond to a lawfully issued and valid congressional subpoena? : hearing before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Twelfth Congress, first session, June 13, 2011"@en
"Obstruction of justice : does the Justice Department have to respond to a lawfully issued and valid congressional subpoena? : hearing before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Twelfth Congress, first session, June 13, 2011"@en