Benjamin Franklin, William-Temple Franklin (1818). “Memoirs of the Life and Writings of (the Same), Continued to the Time of His Death by William Temple Franklin. - London, H. Colburn 1818”, p.270
"The Struggle Intensifies". Aleksandr Solzhenitsyn's open letter to the Fourth Soviet Writers' Congress (May 16, 1967) as translated in "Solzhenitsyn: A Documentary Record" edited by Leopold Labedz, 1970.