http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
political prisoners in the U.S. : a collection of biographies
National Committee to Free Puerto Rican Prisoners of War
Committee to End the Marion Lockdown (Chicago, Ill.)
" ... produced by the National Committee to Free Puerto Rican Prisoners of War and the Committee to End the Marion Lockdown as a contribution to Freedom Now: the National Campaign for Amnesty and Human Rights for Political Prisoners"--P. 21.
Includes bibliographical references (page 15).