Charles Sanders Peirce, Nathan Houser, Christian J.W. J. W. Kloesel (1992). “The Essential Peirce, Volume 1: Selected Philosophical Writings? (1867–1893)”, p.138, Indiana University Press
Elizabeth Cady Stanton, Susan B. Anthony, Matilda Gage, Harriot Stanton Blatch, Ida H. Harper (2017). “THE HISTORY OF WOMEN’S SUFFRAGE - Complete 6 Volumes (Illustrated): Everything You Need to Know about the Biggest Victory of Women’s Rights and Equality in the United States – Written By the Greatest Social Activists, Abolitionists & Suffragists”, p.824, e-artnow