(1836 - 1906) ~ English Writer, Lecturer and Publisher, who was Prominent in the Secularist and Freethought Movements in both Britain and Canada : An English writer, lecturer and publisher, who was prominent in the secularist and freethought movements in both Britain and Canada. (From : Wikipedia.org.)

(1937 - ) ~ History of Modern Germany, the German Nazi Party, Historical Germany, and World War 2 : Authored several books dealing with the history of modern Germany. They include A History of the Nazi Party (1969, 1973) [2 volumes], Weimar Prussia, 1918-1933 (1986, 1991) [2 volumes], A History of Modern Germany, 1871-Present (1987, 4th ed. 1999)... (From : BU.edu.)

1970's Millionaire Factory-Manager

Ferrer Y Guardia Disciple, Spanish Revolutionary, and International Anarchist : Son of rationalist school-teacher and Ferrer y Guardia disciple Jos? Alberola, who served on the Council of Aragon during the civil war, Octavio sampled exile life at the age of eleven. At a very young age, in Mexico, he joined the Mexican and exiled republican anarchist groups. (From : TheKateSharpleyLibrary.net.)

(1900 - 1980) ~ German Social Psychologist, Psychoanalyst, Sociologist, Humanistic Philosopher, Democratic Socialist, Founder of The William Alanson White Institute of Psychiatry, Psychoanalysis and Psychology in New York City : A German social psychologist, psychoanalyst, sociologist, humanistic philosopher, and democratic socialist. He was a German Jew who fled the Nazi regime and settled in the US. He was one of the founders of The William Alanson White Institute of Psychiatry, Psychoanalysis and Psychology in New York City and was associated with the Frankfurt School of critical theory. (From : Wikipedia.org.)

For Those Who Ought To Know Better : "A Little Lesson -- For Those Who Ought To Know Better," by Margaret Sanger, Sep-Oct 1914. Source: The Woman Rebel, Vol. 1, No. 7, Sept.-Oct. 1914, 53 , Margaret Sanger Microfilm C16:567.

"Unionism and Socialism," by Eugene V. Debs, From Debs: His Life writings and Speeches, by The Appeal to Reason, copyright 1908, Section: Introduction.

"The Anarchist Resistance to Franco," by Antonio T?llez, images from the exhibition by Francesc Torres, first published by Virus, Barcelona, 1991, published by the Kate Sharpley Library, 1994, reprinted, 2006.

"Dark Ages," by Henry David Thoreau, 1843.

"Bakunin to Nechayev on the Role of Secret Revolutionary Societies," by Mikhail Bakunin, June 2, 1870.