"Agnosticism: A Rejoinder." ("Nineteenth Century", April 1889.)
"Controverted Questions"; "Collected Essays" 5.
"Agnosticism and Christianity." ("Nineteenth Century", June 1889.)
"Controverted Questions"; "Collected Essays" 5.
"The Natural Inequality of Men." ("Nineteenth Century". January 1890.)
"Collected Essays" 1.
"Natural Rights and Political Rights." ("Nineteenth Century", February 1890.) "Collected Essays" 1.
"Capital, the Mother of Labour." ("Nineteenth Century", March 1890.)
"Collected Essays" 9.
"Government: Anarchy or Regimentation." ("Nineteenth Century", May 1890.) "Collected Essays" 1.
"The Lights of the Church and the Light of Science." ("Nineteenth
Century", July 1890.) "Controverted Questions"; "Collected Essays" 4.
"The Aryan Question." ("Nineteenth Century", November 1890.) "Collected
Essays" 7.
"The Keepers of the Herd of Swine." ("Nineteenth Century", December 1890.) "Controverted Questions"; "Collected Essays" 5.
"Autobiography." (1890, "Collected Essays" 1.) This originally appeared with a portrait in a series of biographical sketches by C. Engel.