„…. osamělá postava mezi radikálními historiky. -- o Gabrielu Kolkovi“
Originál: (en) …a lonely figure among radical historians.
Zdroj: [Yardley, William, Gabriel Kolko, Left-Leaning Historian of U.S. Policy, Dies at 81, nytimes.com, 2014-06-11, 2015-07-13, http://www.nytimes.com/2014/06/11/us/gabriel-kolko-left-leaning-historian-of-us-policy-dies-at-81.html]