(1805 - 1881) ~ French Socialist, Political Activist, Revolutionary Advocate of Blanquism : A French socialist and political activist, notable for his revolutionary theory of Blanquism. (From : Wikipedia.org.)

(1750 - 1803) ~ French Essayist, Poet, Philosopher and Political Theorist, Futurist Anarchist, whose Views Presaged Utopian Socialism and Communism : A French essayist, poet, philosopher and political theorist, whose views presaged utopian socialism and communism. His views on a future golden age are occasionally described as utopian anarchism. He was editor of the newspaper R?volutions de Paris. (From : Wikipedia.org.)

(1921 - 2009) ~ Historian of 20th-Century, Anarchist and Revolutionary Brazil

(1785 - 1859) ~ 18th-Century English Writer, Essayist, and Literary Critic, Author of Confessions of an English Opium-Eater : An English writer, essayist, and literary critic, best known for his Confessions of an English Opium-Eater (1821). Many scholars suggest that in publishing this work De Quincey inaugurated the tradition of addiction literature in the West. (From : Wikipedia.org.)

(1914 - 1976) ~ Labor Leader and Women's Rights Activist in Detroit from the 1930s through the 1970s, Most Active Advocating for the Working Poor and for Women in the Workforce : A labor leader and women's rights activist in Detroit from the 1930s through the 1970s. She was most active in the labor movement, advocating for the working poor and for women in the workforce. (From : Wikipedia.org.)

"A Message to Mothers," by Margaret Sanger, Apr 1916, Source: Physical Culture, Apr. 1916, Vol 35:No 4, 15 , Margaret Sanger Microfilm C16:99.

Writers Take Sides on Vietnam, including the opinion of Denise Levertov, published in 1967. Quoted from The Portable Sixties Reader, edited by Ann Charters, a Penguin Classics, page 128.

"The Part Played by Labour in the Transition from Ape to Man," by Friedrich Engels, May-June 1876.

"A History of Anthropology," by Thomas Hylland Eriksen and Finn Sivert Nielson, Second Edition, 2013, Pluto Press, London, UK.

(1998 - ) : "Betrayal of the Innocents: Desire, Power, and the Catholic Church in Spain," by Timothy Mitchell, University of Pennsylvania Press, Philadelphia, 1998.